Find out whether there is any grammatical error in below sentence.
Another reason for pharmaceutical companies beefing up their / OTC (Over the Country) divisions is that prescription drugs with proven safety records which have been reached / the end of the their patent protection periodare

A. Another reason for pharmaceutical companies beefing up their

B. OTC (Over the Country) divisions is that prescription drugs with proven safety records which have been reached

C. the end of the their patent protection periodare

D. allowed to be sold without a prescription. No error

Answer: Option B

Solution(By Examveda Team)

OTC divisions is that prescription drugs with proven safety records which have reached