[单选题]
In a single slit diffraction endcb+m wjt, 89xperiment, if the wkuq61fntde(:q 9ihy 6 idth of the slit increases, what happens to the width of the central maeqi6q y 69nktd1 hf:(uximum on a screen?
A. It increases.
B. It decreases.
C. It remains the same.
D. There is not enough information to determine.
