Which sentence correctly uses homophones?
a. there is too much snow to shovel in the driveway.
b. i have to much respect for him to lie.
c. i wanted to come along on the picnic two.

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.

devin will have to drain the rain out from his garage.

the correct answer is the first one.