Which of the following organic compounds polymerizes to form the polyester Dacron?

Question

( A ) Propylene and para $HO- (C_6 H_4 )-OH$
( B ) Benzolic acid and ethanol
( C ) Terepthalic acid and ethylene glycol
( D ) Benzoic acid and para $HO- (C_6 H_4 )-OH$