A. So slippery was the path down the mountain that we found it hard to keep our balance.

B. So slippery the path down the mountain was that we had difficulty keeping our balance.

C. Slipper as the path down the mountain, we had difficulty keeping our balance. 

D. Such was the slippery of the path down the mountain that it was hard for us to stay on our feet.

A

Kiến thức: Kết hợp câu 

Giải thích: 

Đường xuống núi trơn trượt. Thật khó để chúng tôi có thể đứng vững trên đôi chân của mình.

Cấu trúc đảo ngữ với “so”: So + adj (tính từ) + tobe + S + that + clause (mệnh đề)

A. So slippery was the path down the mountain that we found it hard to keep our balance.

→ đúng cấu trúc → đúng

B. So slippery the path down the mountain was that we had difficulty keeping our balance. → sai câu trúc → loại

C. Slipper as the path down the mountain, we had difficulty keeping our balance. → sai cấu trúc → loại

D. Such was the slippery of the path down the mountain that it was hard for us to stay on our feet. → sai cấu trúc → loại  

Dịch nghĩa: Đường xuống núi trơn trượt. Thật khó để chúng tôi đứng trên đôi chân của mình. = Con đường xuống núi trơn trượt đến nỗi chúng tôi khó giữ thăng bằng.