Answer:
Printing revolution ushered in the era of modern Europe by making both ancient and medieval texts available to a broader audience which produced a fertile ground for new ideas and new theories.
Explanation:
Answers: Part A: D. Part B:C
B. seems to be the right answer.
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.
