The director guided us through the museum. He gave...

Câu hỏi: The director guided us through the museum. He gave us a specific explanation.

A. While the director was guiding us through the museum, he gave us a specific explanation.

B. The director guided us through the museum and was giving us a specific explanation.

C. Guiding us through the museum, a specific explanation was given to us by the director.

D. The director guided us through the museum while a specific explanation was given to us.