How to calculate molecular mass?

Plz me get these answer dubble cheak ur answer plz ppl i need it right

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

Can someone me with 6 to 10 plz this is for masteries test.