The phrase "for the new committee" is a phrase that starts with a conjunction. It is also known as a subordinate clause. The combination of words "for the new committee" does not make up a complete sentence; it cannot stand on its own. The word "for" is a coordinating conjunction and joins two equal phrases to each other. A coordinating conjunction is also known as a coordinator. It shows that both parts or phrases that make up the sentence are of equal importance.
D. Many vs much.
The correct sentence would be:
"How <em>many</em> toppings will this coupon allow us to add?"
:)
