Ronan Asked His Friends,Siobhan and Jeff,to Help Him Move,and Said

Multiple Choice

Ronan asked his friends,Siobhan and Jeff,to help him move,and said he would give them each $10.Siobhan tells him maybe and Jeff tells him he will be there.Which of the following is true?

A) Ronan and Siobhan have a contract only if Siobhan shows up and helps Ronan move.
B) Siobhan and Jeff have a contract only if Jeff shows up to help Ronan move.
C) Ronan does not have a contract with either Jeff or Siobhan because friends cannot enter into contracts.
D) Ronan has a contract with Jeff but not with Siobhan.
E) There is no contract with either because Ronan did not pay enough money.