I hope you don't mind me ______ you sir, but is there much money involved in the will?

A．asking

B．to ask

C．ask

D．that I ask

质量分数4.3%的液相铁碳合金平衡结晶得到全（）组织，即共晶白口铸铁。

A.铁素体

B.渗碳体

C.珠光体

D.低温莱氏体