—Could you look after my pet dog for me while we are away?

—________.

A．No，thanks

B．With pleasure

C．It’s my pleasure

D．I’m sure you will

急性白血病出血的主要原因是（）

A.弥散性血管内凝血

B.血小板减少

C.血小板功能异常

D.凝血因子减少

E.血管损伤