Tom said the project would be finished by November personally I doubt very much.A. itB. t

问题补充：

Tom said the project would be finished by November, personally I doubt very much.

A. it

B. that

C. when

D. which

答案：

A. it

B. that

C. when

(答案→)D. which

解析：考查定语从句。Which引导非限制性定语从句，在这里知前半句话的含义。句意：汤姆说到了十一月份这项工程将会被完成，这件事就我个人而言，我非常怀疑。故选D。