They have shortened the course considerably because of the outbreak of COVID-19

A. The course was shortened considerably because of the outbreak of COVID-19.

B. The course has been shortened considerably because of the outbreak of COVID-19.

C. The outbreak of COVID-19 was shorten the course considerably.

D. The outbreak of COVID-19 has been shorten the course considerably.

Đề luyện thi Tiếng Anh vào 10. (KS3-2022)