Ibuprofen Is a Drug Commonly Used to Relieve Inflammation and Pain.It

Ibuprofen is a drug commonly used to relieve inflammation and pain.It is a mixture of two enantiomers,which are molecules that

A) have identical chemical formulas but differ in the branching of their carbon skeletons.
B) are mirror images of one another.
C) exist in either linear chain or ring forms.
D) differ in the arrangement of atoms around their double bonds.