Correct option is A
Given:
Suresh starts from Point A and drives 7 km towards the east.
He then takes a left turn drives 4 km turns right and drives 5 km.
He then takes a right turn and drives 10 km, takes a right turn and drives 8 km.
He then takes right turn and drives 13 km.
He takes a final left turn drives 4 km and stops at Point B.
From the given information possible Venn diagram is as follow.

He is = (3 + 4) = 7 km towards the south drive in order to reach Point A from Point B
Thus, correct option is (a).