“I took part in a green campaign last summer,” sai...

Câu hỏi: “I took part in a green campaign last summer,” said Ted.

A. Ted said that I had taken part in a green campaign the previous summer.

B. Ted said that he would take part in a green campaign last summer.

C. Ted said that he had taken part in a green campaign the previous summer.

D. Ted said that I had taken part in a green campaign last summer.