141. According to recent reports, one of the rare animals, _______ crocodile, will be in danger of dying out in _____ 2020s.

A．a; /

B．the; the

C．the; /

D．/; the

下面描述属公开招标是( )。

A．招标工作量小
B．节约时间
C．招标费用小
D．投资额大