[Grammar] During the reign of Queen Victoria, the only country __ was Britain.

[tahasozgen]

During the reign of Queen Victoria, the only country __ was Britain.


A) to be industrializing
B) industrialized
C) being industrialized
D) to industrialize
E) at industrializing

I believe this sentence should take gerunds, so my answer is C. Key depicts D.
This question appears at the "Gerunds & Infinitives" section. There are many subsections there. In which rule applies there? Thanks in advance.

 

[bhaisahab]

Both C) and D) are possible. It's not a good question.

 

[GoesStation]

It's not a good question.

Neither linguistically nor factually.