Read the passage and mark the letter...

Câu hỏi: Read the passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions.

A. The bottles are collected, washed, returned and filled again.

B. The bottles are washed, returned filled again and collected.

C. The bottles are filled again after being returned, collected and washed.

D. The bottles are collected, returned, filled again and washed.