The telephone -- by Graham Bell in 1876.A was invented B has

The telephone __ by Graham Bell in 1876.A was invented B has been invented C is invented D will b
The telephone __ by Graham Bell in 1876.
A was invented
B has been invented
C is invented
D will be invented
这道题应该选A,但是发明电话对现在如果有影响的话是不是应该选B
Was和has been要怎么区分
This is ___ i wanted.
A the one what
B which
C one which
D the one
选什么为什么