Suzie Should Have Started Her Menstrual Period Two Days Ago;

Suzie should have started her menstrual period two days ago; she wonders if she is pregnant.She takes a home pregnancy test and gets a negative result.What does this mean?

A) She definitely is NOT pregnant.
B) She should retest immediately to be sure.She may have done the test incorrectly.
C) She should retest in about a week to be sure.
D) She should retest immediately with a different brand of test kit.Some are more accurate than others.
E) B and D