Some people waste a lot of food ________ others haven’t enough to eat

Some people waste a lot of food ________ others haven’t enough to eat

A.however

B.when

C.as

D.while

答案及解析： D

解析：

while表示两者对比译为“然而”。句意：有些人浪费大量的食物然而有些人没有足够的吃的。