In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".

Jennifer spilled the beans on everyone while Laura remained silent since _ kept her mouth closed. (A) Jennifer (B) Laura
B

Susan was making a cake for a party and she had an egg but didn't have milk. It was necessary to go to the store for the _ . (A) egg (B) milk
B

The rock was more special than the stone because the _ was from a normal area on the mountain. (A) rock (B) stone
B