Answer:
The correct answer is option A, that is, plucking.
Step-by-step explanation:
Quarrying also considered as plucking refers to a glacial process, which is accountable for the transportation and erosion of the single fragments of bedrock mainly the large joint blocks. With the movement of the glacier down in a valley, the friction makes the basal ice of the glacier to infiltrate and melt the joints in the bedrock.