Samantha Went on a Date with Chad, but the Next

Samantha went on a date with Chad, but the next morning realized she had no memory of much of the evening. She had only a few sips of the one drink she ordered, but her memory fades soon after. She's suspicious and fears she may be a victim of a sexual assault.

A) The defendant's lawyer argues that there was no rape based on:
B) the absence of evidence of force.
C) the two were on a date.
D) Samantha's implied consent.
E) Samantha's consent.