Marlene Entered into an Oral Agreement to Transfer Her Beneficial

Marlene entered into an oral agreement to transfer her beneficial interest in shares under an existing trust to Vicky. Which of the following statements is true?

A) Marlene has validly transferred her beneficial interest to Vicky, as shares do not require any special formalities to be transferred.
B) Marlene has failed to validly transfer her beneficial interest in the shares to Vicky, as the transfer of shares requires a properly executed share transfer document.
C) Marlene will have validly transferred her beneficial interest in the shares once she executes the agreement to transfer them to Vicky.
D) Marlene has failed to validly transfer her beneficial interest in the shares to Vicky, as the transfer was attempted orally.