The waiter is serving the customer. The passive is?

A. The customer is served by the waiter

B. The customer are served by the waiter

C. The customer is being served by the waiter

D. The customer was being served by the customer

E. The customer was served by the customer

Dilansir gnd-techlabs.com dari Ensiklopedia, the waiter is serving the customer. the passive is the customer was being served by the customer.