Всем привет! Подскажите пожалуйста ответ на вопрос:

Поставьте предложение в отрицательную форму :

He often has dinner at two o'clok

A) He has dinner often not at two o'clock

B) He doesn't often have dinner at two o'clock

С) He don't often have dinner at two o'clock

D) He doesn't often has dinner at two o'clock

E) He not has often dinner at two o'clock