单选题Ten o’clock is a very late hour for a boy of his age to stay up.A too late an hourB a too late hour C very much late an hourD a so late hour

题目
单选题
Ten o’clock is a very late hour for a boy of his age to stay up.
A

too late an hour

B

a too late hour  

C

very much late an hour

D

a so late hour