34. I thought it a pity __________ him to the tea party.

A．being not invited

B．not to have invited

C．to not have invited

D．not to have been invited

ZD6系列电动转辙机摩擦连接器出所时，应将摩擦电流调整到额定电流的（）倍。.

A.1.1

B.1.2

C.1.3

D.1.4