When Solving for the Sample Size Needed to Compute a 95

When solving for the sample size needed to compute a 95 percent confidence interval for a population proportion p,having a given error bound E,we choose a value of that

A) makes
As small as reasonably possible.
B) makes 11ec8fed_10d0_e7fc_bdf7_791f7c814a39_TB2569_11
As large as reasonably possible.
C) makes 11ec8fed_10d0_e7fc_bdf7_791f7c814a39_TB2569_11
As close to .5 as reasonably possible.
D) makes 11ec8fed_10d0_e7fc_bdf7_791f7c814a39_TB2569_11
As close to .25 as reasonably possible.
E) makes 11ec8fed_10d0_e7fc_bdf7_791f7c814a39_TB2569_11