He would rather _______ at home than ______ to the park with Jenny.

A．stay, go

B．to stay, to go

C．stays, goes

D．staying, going

交流接触器的主要特点是：当电压过低时，电磁线圈吸力变（），拉力弹簧使衔铁和拉杆动作，接触器自动断电。

A．小

B．大

C．强

D．高