各级人民政府建立健全就业制度，通过哪些办法途径，对就业困难人员实行优先扶持和重点帮助。（）

A.税费减免

B.贷款贴息

C.社会保险补贴

D.公益性岗位安置

It was ______ that they all went swimming in the river.

A．such a hot weather

B．such hot weather

C．so hot weather

D．so hot a weather