The sentence that correctly uses homophones is option A. "There is too much snow to shovel in the driveway."
A homophone is a word that is pronounced the same as another word but differs in meaning, and may also differ in spelling.
According to that explanation, in this particular case, too and to are homophones.
Both words differ in meaning and spelling but they are pronounced the same.
Too is an adverb that refers to a higher degree than is desirable, permissible, or possible; excessively
On the other hand, to, in this case, is used with the base form of a verb to indicate that the verb is in the infinitive.
