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

### Question:
New carpet is being measured for a room that is 5.5 m by 4.6 m. On a measuring tape, what is the smallest unit that is necessary to measure the room accurately for the carpet?

### Choices:
A. millimeters
B. centimeters
C. meters
D. kilometers

### Answer:
