Once the durations of the activities are calculated for a completed network, a forward pass and a backward pass will provide ______.

A) the float of the activities
B) the early start and late start only
C) the critical path
D) A and C

决定商品价值量的是生产商品的（）

A.社会劳动时间

B.社会必要劳动时间

C.剩余劳动时间

D.个别劳动时间