问题
选择题
The growing speed of a plant is influenced by a number of factors, ______ are beyond our control.
A.most of them
B.most of what
C.most of which
D.most of that
答案
答案:C
这题考查非限制性定语从句,代词most+of+which,指代most of the factors,句意是:植物的生长速度由许多因素影响,其中大部分不是我们能控制的。选C。