In Which of the Following Are Both Compounds Effective Pain

Multiple Choice

In which of the following are both compounds effective pain relievers?

A) (R) -ibuprofen and (R) -naproxen
B) (S) -ibuprofen and (S) -naproxen
C) (R) -ibuprofen and (S) -naproxen
D) (S) -ibuprofen and (R) -naproxen