单项选择题

is the last sentence, the word "they" refers to ______.

A．cash and credits
B．buyers and sellers
C．return privileges
D．all the factors
<上一题 目录 下一题>
热门 试题

单项选择题
It can be inferred from the passage that the author was ______.
A．first of all a scientist
B．a naturalist but not a scientist
C．no more than a born naturalist
D．a scientist as well as a naturalist
相关试题