Assuming He Was of Sound Mind,which of the Following Is

Assuming he was of sound mind,which of the following is true regarding the effect of Willy's statement that Candy should take everything?

A) Because a will must be in writing, his statement has no effect.
B) Because a will is not usually required to be in writing, his statement was effective to revoke any prior will.
C) His statement was ineffective to revoke his prior will only because he was angry when he made it.
D) His statement was ineffective to revoke his prior will only because he believed he was dying at the time he made it.
E) His statement would likely be upheld as an oral will because he made the statement during his last illness in front of witnesses who later wrote down his wishes.