血瘀型产后小便不通的最佳选方为 （）
A.以上都不是
B.春泽汤
C.加味四物汤
D.黄芪桂枝五物汤
E.桂枝茯苓丸
参考答案：C
It is very kind _____ you to help me with my lessons. It is difficult _____me to learn them well.
A．of , of
B． for , of
C．of , for
D．for , for
未经切割处理的花岗岩石材
