ranked or considered

[learner1235]

answer book says it's d but shouldn't it be a?
It's not really a professional book too so there might be mistakes

 

[tedmc]

It's either "ranked as" or "considered", not "considered as".

 

[emsr2d2]

The answer book says it's d but shouldn't it be a?
It's not really a professional book too so there might be mistakes.