__________ from heart trouble for years Mr. White has to take some medicine with him wherever he goes.

A．Suffered

B．Suffering

C．Having suffered

D．Being suffered

因担保人过错而导致的担保合同无效的，担保人承担过错责任之后，是否可以向债务人追偿？（）

A.不可以

B.可以

C.视情况而定

D.反担保人有过错才可以