Question

_______ ninety-nine percent of the panda’s diet is bamboo, it also eats corn,
apples and sweet potatoes.

A．If

B．While

C．Because

D．Since

Answer 1

B

考查连词。If如果，是否；While当什么时候，尽管；Because因为，由于；Since因为，自从。句意：尽管熊猫百分之九十九的食物是竹子，她也吃玉米，苹果和红薯。所以选B。