Option B is correct because ‘depth’ means ‘distance from top
to surface’. ‘Height’ means ‘measurement
from base to top’. Thus, ‘depth’ is appropriate opposite word to the given
word.
Option A is incorrect because ‘length’ means ‘measurement from end to end’.
Thus, it is not the appropriate opposite word to the given word.
Option C is incorrect because ‘width’ means ‘measurement from side to side’. Thus,
it is not the appropriate opposite word to the given word.
Option D is incorrect because ‘breadth’ means ‘distance from side to side’. Thus,
it is not the appropriate opposite word to the given word.