After Identifying the Disorders to Treat, There Are Several Stages

Multiple Choice

After identifying the disorders to treat, there are several stages in therapeutic drug development. Reorder the following stages correctly. i. biological experimentation
ii. safety pharmacology
iii. clinical trials
iv. drug synthesis
v. refined screening methods

A) iv, ii, i, v, iii
B) i, iv, i, v, iii
C) iv, i, v, ii, iii
D) i, iv, i, iii, v