The Student Newspaper at a College Asks a Simple Random

The student newspaper at a college asks a simple random sample of 250 undergraduates, "Do you favor eliminating supplemental fees for lab courses?" In all, 150 of the 250 are in favor of eliminating such fees.
A 95% confidence interval for the population proportion p is

A) 150 ± 0.03.
B) 0.6 ± 0.03.
C) 150 ± 0.06.
D) 0.6 ± 0.06.
E) 1.67 ± 0.03.