题目

肝脏细胞中，含量最多的化合物是                                 (     )    A、胆汁         B、水          C、肝糖元      D、蛋白质 答案：B----It is said TF Boys sang their latest song in the concert.----That’s impossible. In fact, they had never ______ by the time the concert endedA. put up B. set up C. fixed up D. shown up