Question

The river, ______the bank are covered with trees, is very long.

A．whose	B．which
C．of which	D．which of

Answer 1

C

名词或代词+关系代词whom / which可以引导非限定性定语从句。表示部分与整体的关系，作用相当于whose+名词，of which the bank ="the" bank of which =" whose" bank, 因此答案为C。