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

### Question:
Mara planted six pots of lettuce seeds. She placed three pots in a sunny area and three pots in a shaded area. She watered each pot the same and measured the growth of the lettuce. After Mara analyzes her data, what conclusion will it help her to make?

### Choices:
A. When to plant her lettuce
B. Where to plant her lettuce
C. How much water to give lettuce
D. How many lettuce plants to grow

### Answer:
