Human activity on the continent of Antarctica is regulated by the Antarctic Treaty, which was signed...

题目信息

Human activity on the continent of Antarctica is regulated by the Antarctic Treaty, which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and is giving protection to the continent's ecozone.

A:which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and is giving protection to the continent's ecozone

B:which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and protects the continent's ecozone

C:which, had being signed in 1959 by 12 countries, prohibits any military activity, supports scientific research, and protects the continent's ecozone

D:which was signed in 1959 by 12 countries prohibiting any military action, and supporting scientific research and the continent`s resource protection

E:having been signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and protects the continent's ecozone

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正确答案： B:which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and protects the continent's ecozone

do ,do and do 要平行

A 不平行

B CORRECT

C 客观表述过去的事实，用一般过去时

D 不平行

E HAVING BEEN AND DOES 不平行

笔记