Of the two brothers, Bill is younger one, and he is a quiet boy, the most adults like ve

Of the two brothers, Bill is younger one, and he is a quiet boy, the most adults like very much．
A. a; one
B. a; the one
C. the; one
D. the ; the one

A. a; oneB. a; the one(答案→)C. the; oneD. the ; the one解析：第一空考查冠词指两者中“较…”要在比较级前加the；第二空one代指相当于a boy。句意：比尔是兄弟两人当众较小的一个，他是非常安静的一个男孩一个大多数成年人喜欢的男孩。

这个解释是对的