阅读理解(每小题2分，共30分)
A
There are many kinds of ants in America．One kind of ants is very strong．People are afraid of them and the other animals are afraid of them，too．
These ants are often in big groups(群)．They eat all the animals on their way．They can kill and eat elephants．And they can eat horses，too．Sometimes they can even kill people and eat them．When the ants come near，people leave their homes．But people are sometimes happy after the ants pass by．Because they can see no insects(昆虫) or snakes．
Some ants in America can be very ________．

A．ugly

B．strong

C．friendly

D．shy

People and animals are afraid of ________．

A．a kind of ants

B．all kinds of ants

C．small ants

D．big ants

People are afraid of the ants because ________．

A．they can eat and kill elephants

B．they can eat horses

C．they are often in big groups

D．they can kill people

Where are insects or snakes after the ants pass by？

A．They are under the ground．

B．They go to other places before the ants come．

C．Ants kill and eat them．

D．People kill and eat them．

Which is the best title(题目) for the story？

A．Ants

B．American Ants

C．Big Ants

D．Strong Ants