Bob Is on Trial for the Murder of Carl

Bob is on trial for the murder of Carl. The prosecution is basing its case on the theory that Bob forged Carl's will, which revoked Carl's original will and made Bob the sole beneficiary, before killing Carl. Carl's original will was witnessed by Donna and Eve. The prosecution wants to introduce the original will as evidence of Carl's handwriting. Donna does not remember watching Carl sign the will because she works at a law office and witnesses the signing of wills on a daily basis. How can Donna's signature be authenticated?

A) Donna can testify that she recognizes her signature is on the will.
B) Donna can testify only if she can recall details about the signing ceremony.
C) Donna's signature must be verified by a forensics documents examiner.
D) Donna's signature is admissible under the Business Records Exception to the Hearsay Rule.