I think is the correct awswer is letter B
Answer:
B :)
Explanation:I had this question before, hope this helps :)!
Look for change in the authors writing.
The type of pronoun used in the above sentence is a RELATIVE PRONOUN.
The relative pronoun is found in the beginning of the adjective phrase. The adjective phrase describes the noun.
In the above sentence the adjective phrase is: WHICH IS SOMETIMES CALLED THE RED PLANET.
It describes the noun MARS.
The relative pronoun used is WHICH.
The answer is b for this question