Tina graduated from college． Several days later， she got a new job． She would work in the biggest company（公司） in her city． Her friends admired her very much．

On her first workday，Tina arrived at 8： 45 a．m． She took the lift to the 11th floor （楼层），and a clerk showed her where her desk was．As a green hand， she didn't know what to do，so she tried to talk to the girls who sat near her in the office．However， they were not friendly to her．After a while，a young boss came in．Tina was surprised that the boss was not the old man who interviewed her several days ago．The boss gave her a lot of reports to write． But when she began to write，she found that she had much trouble understanding the reports．She spent almost the whole day trying to do the work．At 5： 30 p．m．，it was time to go home． Although most of the reports weren't finished， she got into the lift．On the 10th floor， she was greeted by John， the old man who interviewed her several days ago． "Tina!" he said， "Why didn't you work with us today？" All of a sudden， Tina realized she mistook the 11th floor for the 10th floor．"Oh， my God!" she answered，"       "After hearing this， John couldn't help laughing．

根据短文内容选择最佳答案．

（1）The underlined（划线的） words "a green hand" most probably mean　　．

A．	a person without experience
B．	a person caring about the environment
C．	a person doing well in growing vegetables

（2）Tina was surprised because　　．

A．	she was not allowed to leave the company
B．	the young boss wasn't the man who interviewed her
C．	the bosses in the two companies refused her in the interviews

（3）Tina spent　　 trying to finish the reports．

A．	almost the whole day
B．	almost the whole morning
C．	almost the whole afternoon

（4）Which of the following is TRUE according to the passage？

A．	Tina moved to another city for a new job．
B．	The girls sitting near Tina were unfriendly to her．
C．	Tina arrived at the company at 5：30 a．m． on her first workday．

（5）"        "can be the missing sentence in the passage．

A．	I forgot the interview date!
B．	I have finished all the reports!
C．	I have been in the wrong office all day!