Question

identify the prepositional pharse. vouluntary muscles, which help you move are joined to your bones. ) to your bones C)are joined to your bones d) are joined i think its c.

Answer 1

No. C is not correct.

A prepositional phrase begins with a preposition and ends with a noun or pronoun.

Check this list of prepositions to see which is the prepositional phrase.

http://www.englishclub.com/grammar/prepositions-list.htm

Answer 2

is it a.

Answer 3

I don't see "a" as a possible answer above.