[单选题]我必须承认，我的时间和精力似乎越来越少了。( )
A
I have to admit that my time and energy seem to be shorter.
B
I have to confess that there seem to be less time and energy for me.
C
I must confess that I seem to have less time and energy than before.
D
I must admit that my time and energy seem to be running short.
