1 The poor old woman has( ) heart trouble for many years ,so

1 The poor old woman has( ) heart trouble for many years ,so she always takes her medicine with her.
A.suffered from B.suffered
C.been suffered D.been suffered from
2 --Do you think it's going to rain over the weekend?
__( )
A.I don't believe.B.I don't believe it.
C.I believe not so.D.I believe not.
请对以上问题做出答案来,并对每个选项进行详解!
这两个题的正确答案是1.A 2.D