With no explanation, chose the best option from "A" or "B". Kim has a busy weekend ahead of her and has an exam on Monday. Kim wants to have time to study for her exam during the busy weekend.

A: Kim, upon being asked to assist her parents with their errands, says she can and rushes over to help them before returning to her errands.
B: Kim, upon being asked to assist her parents with their errands, says she can't and ignores their calls.
A.