if"post"is 1234,"top" will be?a.231 b.421 c.314 d.124
问题描述:
if"post"is 1234,"top" will be?a.231 b.421 c.314 d.124
答
b
if"post"is 1234,"top" will be?a.231 b.421 c.314 d.124
b