"Wills Are Valid If They Are in the Handwriting of the Testator

"Wills are valid if they are in the handwriting of the testator and signed by the testator." Here,the term and means that:

A) Either condition may be present for a will to be valid
B) Both conditions must be met for a will to be valid
C) The use of and makes both requirements mandatory for a will to be valid
D) Only one of the conditions must be met for a will to be valid
E) Answers a and d above
F) Answers b and c above