Question

There are many kinds of birds in Australia, and over 140 species of snakes, ______are extremely dangerous.

A．many of those

B．many of that

C．many of which

D．many of what

Answer 1

C

考查非限制性定语从句，先行词是snakes，用many of which引导定语从句，句意是：在澳大利亚有很多种鸟，和140多种蛇，其中很多是很危险的。选C。