B
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### Question:
By attaching to sharks, remora fish eat the scraps of food left behind when the sharks feed. If remoras were not able to attach to sharks, they would most likely

### Choices:
A. attach to boats.
B. not be able to survive.
C. find another source of food.
D. not need to eat anymore.

### Answer:
