Which of the Following Is the Most Likely Result If

Which of the following is the most likely result if Kumar sues Melanie for the $300 paid to Rick?

A) Kumar will win only if he can establish by a preponderance of the evidence that he acted reasonably.
B) Kumar will lose.
C) Kumar will lose only if Melanie can establish that Rick is incompetent to deal in real estate.
D) Kumar will win because an agent has an implied right to obtain help.
E) Kumar will win unless Melanie can establish beyond a reasonable doubt that he acted unreasonably.