The Common OTC Medication Ibuprofen Is Sold as a Racemic

The common OTC medication ibuprofen is sold as a racemic mixture although only the L-isomer is a pain reliever.What does the term racemic mixture mean?

A) There is an equal mixture of the + and - optical isomers in the drug preparation
B) There are two active ingredients in the drug preparation
C) The inactive optical isomer does not cause serious side effects
D) The inactive isomer is transformed into the active isomer in the body