For the Purpose of Calculating Earnings Per Share,the Denominator Is

For the purpose of calculating earnings per share,the denominator is:

A) outstanding ordinary shares at balance date.
B) weighted average number of fully paid ordinary shares.
C) weighted average number of the sum fully paid ordinary shares and partly paid equivalents.
D) outstanding ordinary shares at balance date and weighted average number of fully paid ordinary shares.
E) All of the given answers.