西安事变的和平解决预示了团结抗日新局面的到来，主要是因为[ ]

A．它提高了中 * * 党的威信

B．它迫使蒋介石接受联共抗日的主张

C．它消除了国共两党的分歧

D．它打击了亲日派的嚣张气焰

It was well known that Thomas Edison（）the electric lamp.

A.invented 

B.discovered

C.found

D.developed