How Effective Is Adriana's Signature in This Situation

Multiple Choice

How effective is Adriana's signature in this situation?

A) It is not an effective attestation because she did not witness Kara sign the will.
B) It is effective.
C) It is effective only if Adriana had seen Kara's signature before and could identify the signature as Kara's.
D) It is effective only because a change to a will is involved which has less stringent requirements for the signature of a witness than that required for an original will.
E) It is ineffective only because Kara's attempted change is ineffective.