As per solutions above answer choice C is incorrect because it is using wrong idiom, "considered as". What if the answer choice read, " Europa has long been considered far too cold to support life and has"? Would it be correct then? I am asking because this sentence makes perfect sense,
" With surface temperatures estimated at minus 230 degrees Fahrenheit,Jupiter's moon Europa has long been considered far too cold to support life and has 60 square miles of water thought
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" With surface temperatures estimated at minus 230 degrees Fahrenheit,Jupiter's moon Europa has long been considered far too cold to support life and has 60 square miles of water thought
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