Using a Double-Slit with a D = 300 Nm and Light

Multiple Choice

Using a double-slit with a d = 300 nm and light of a wavelength of 400 nm,what would you see on a distant screen?

A) the intensity is maximum at the center and gradually decreases to either side
B) the intensity is minimal at the center and gradually increases to either side
C) the intensity is maximum in a single narrow line at the center
D) the intensity is minimal in a single narrow line at the center