The correct word order.

A) They usually are at home in the evenings.

B) They are usually at home in the evenings.

C) They are at home usually at home.

D) They are at usually home in the evenings.

E) They are at home in the usually evenings.​

Ответ:

B) They are usually at home in the evenings.

Объяснение:

usually может стоять в любой части предложения, но разделять части грамматической основы не может.