這一題英文文法

__________heated by solar energy has special collectors on the roofs to trap sunlight.
(a)A home is
(b)homes are
(c)A home
(d)Homes

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更新: 答案是D說
很奇怪!
更新 2: 以前插大沒寫過冬子的書裡
更新 3: 還有這題
The computer has dramatically affected ______photographic lenses are constructed.
(a)is the way
(b)that the way
(c)which way to
(d)the way
答案是D

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更新 4: has 和 are兩動詞了?
6 個解答 6