A Dashing Romanian Count Asks His Sweetheart to Marry Him

Multiple Choice

A dashing Romanian count asks his sweetheart to marry him. She says she will give her reply when the Moon is full. If he asked when the Moon was at first quarter, how long will he have to wait?

A) about a month
B) about a week
C) about a day
D) about three weeks
E) about a year minus a week