Question

Peter told us the work would be finished by next month, _____ personally I doubt

Peter told us the work would be finished by next month, _____ personally I doubt very much.
A. that
B. when
C. which
D. it

Answer 1

答案C
考查定语从句。Which指代前面一句话的内容在定语从句中做主语。故C正确。