1 . The growing speed of a plant is influenced by a number of factors, most of ___________ are beyond our control.

2 . They have two grown children, both ________ live abroad. （用适当的词填空）

3 . They are all interested in the newly-built apartments along the river,        really want to buy them yet.

A．none of them

B．neither of them

C．none of whom

D．neither of whom