Life be much happier if we only be born at the age of 80 and gradually approach 18.
A. will, can
B. will, could
C. would, can
D. would, could
网友回答
A. will, can
B. will, could
C. would, can
(答案→)D. would, could
解析：本题表示的虚拟的意思，与实际不符，用虚拟结构，主从句的动词都用过去的结构形式，故本题选D。