Many people are unaware of just how much food and drink they（ ）.

Many people are unaware of just how much food and drink they（ ）.
A、assume
B、resume
C、consume
D、perfume
【正确答案】：C
【题目解析】：本题考查动词的词义辨析。assume：假定，假设；resume：重新开始，继续；consume：消耗，耗费；perfume：使香气弥漫，在…上撒香水。句意：许多人并不知道他们究竟消耗掉了多少食品和饮料。故C选项符合题意。