问题
__ is know to us all isthat the old worker, for _______ life was hard in the past, still works hard inhis seventiesA
A:But for; should have reached
B:Because of; would have reached
C:During the period of; we would reach
D:In spite of; we should have reached
B:Because of; would have reached
C:During the period of; we would reach
D:In spite of; we should have reached
正确答案是：
