从题中所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。
People often fall ill because of me. 36  , they can hardly blame me; it is largely their own 37   . A tired person may get 38   , especially when he goes to crowded places with polluted air. A sudden change in 39   is another factor. In hot summer, people turn on the air-conditioner upon returning home. They will catch a cold easily.
My latest victim is an energetic student. After school, he played football hard for two hours. Though 40  , he still went to the cinema .Then he got back home and took a cold shower immediately.
I seized this golden chance to 41   him .He reacted, trying to 42   me , but I was already 43   deep in his throat. He kept sneezing（打喷嚏） and his nose was running. 44   he put on some warm clothes, it didn’t work, for there were too many of us. Besides, his sore throat kept 45   him, and he developed a cough to force me and my family out, but   46   .
The next day he couldn’t go to 47  . He had lost his appetite and was not as 48   as before. His mother made him orange juice every few hours for more vitamin C, which would help his 49
For two days he was   50   by his mother. As he rested more, his defense strengthened and I began to feel the   51  . I knew I had to   52   him before long. But I am not the one who gives up easily, and I made every effort to fight back. 53  , it was my turn to feel   54 now, for his defense system was starting an all-out attack against me. I became  55   and finally my time was over.
Do you know what I am?

A．Therefore B．Besides C．However D．Then

A．business B．responsibility C．excuse D．fault

A．punished B．blamed C．caught D．killed

A．temperature B．season C．place D．condition

A．excited B．hurt C．late D．tired

A．injure B．bother C．attack D．destroy

A．get on with B．get rid of C．put up with D．take hold of

A．reproducing B．waiting C．hiding D．disappearing

A．Since B．Once C．Whether D．Although

A．reminding B．upsetting C．comforting D．Influencing

A．escaped B．succeeded C．regretted D．failed

A．bed B．work C．school D．hospital

A．peaceful B．afraid C．active D．happy

A．recovery B．development C．study D．affected

A．protected B．nursed C．scolded D．affected

A．loss B．operation C．pressure D．movement

A．leave B．catch C．forget D．beat

A．Uncertainly B．Unfairly C．Unusually D．Unfortunately

A．painful B．tired C．nervous D．ashamed

A．bigger B．weaker C．smaller D．stronger