Right answer:
d. all of the above
A pharmacist (un farmacéutico) is a person who is professionally qualified to prepare and dispense medicinal drugs. So this person dispenses antibiotics (antibióticos), píldoras (pills) and pastillas (pills). So we can write and translate this sentence as follows:
IN SPANISH:
Un farmacéutico despacha antibióticos, píldoras y pastillas
IN ENGLISH:
A pharmacist dispenses antibiotics and pills
