the time i come to rome he _____ them so i'll bring them with me .by the time i come to rome he _____ them so i'll bring them with me .a will finish b will be fineshed c will have finished d has finished应该选哪个为什么?

问题描述:

the time i come to rome he _____ them so i'll bring them with me .
by the time i come to rome he _____ them so i'll bring them with me .
a will finish
b will be fineshed
c will have finished
d has finished
应该选哪个为什么?