-- do you know who invented the telephone -- no l only know it --- in 1876a\ inventedb\ was inventedc\ invented请您说明理由好吗?

-- do you know who invented the telephone -- no l only know it --- in 1876a\ inventedb\ was inventedc\ invented请您说明理由好吗?
-- do you know who invented the telephone -- no l only know it --- in 1876
a\ invented
b\ was invented
c\ invented
请您说明理由好吗?

-- do you know who invented the telephone -- no l only know it --- in 1876a\ inventedb\ was inventedc\ invented请您说明理由好吗?
选 B
这里的 it 指代的是 前面的 telephone
telephone 是电话,电话它自己不会发明,它是被别人发明的.所以要用被动语态
被动语态的 结构 be+动词过去分词,这里因为有 1876,所以用was were+过去分词
所以 答案是 B
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