Choosing what is no longer as easy as it once was, for people’s eating habits are changing,
A. eat
B. to be eaten
C. eaten
D. to eat
网友回答
A. eat
B. to be eaten
C. eaten
(答案→)D. to eat
解析：考查疑问词+不定式的用法，疑问词what+to eat是做choose的宾语，句意：选择吃什么不再向从前那么容易了，因为人们的饮食习惯正在变化。选D。