GMAT Test Prep: SC-72250793 GMAT Sentence Correction | TOEFL IELTS GMAT GRE SAT ACT PTE ESL

A As it is with traditional pharmacies, on-line drugstores rely on prescriptions to be successful

B As with the case of traditional pharmacies, on-line drugstores rely on prescriptions to have success

C As is the case with traditional pharmacies, prescriptions are the cornerstone of a successful on-line drugstore

D As traditional pharmacies, so on-line drugstores rely on prescriptions to be successful

E Like traditional pharmacies, the cornerstone of a successful on-line drugstore is prescriptions