A group of words that includes a subject and a verb but does not express a complete thought is called subordinate clause, or also referred to as dependent clause. This group of words is not a sentence and can't stand alone as a sentence. Example : Because I can't wait for the bus; Until the sun rises.
You could drive less often by taking a bus or carpooling to reduce gas emissions. As well as using re-usable items like a metal water bottle, and your own personal bags at the grocery store.
A is the answer to your question
Answer: support his wife and three children
