1 find it very challenging. It requires a lo...

Câu hỏi: 1 find it very challenging. It requires a lot of concentration and determination

A. I find it very challenging, for it requires a lot of concentration and determination.

B. I find it very challenging, so it requires a lot of concentration and determination.

C. I find it very challenging, yet it requires a lot of concentration and determination.

D. I find it very challenging, though it requires a lot of concentration and determination.