Julia Agrees to Act as Kale's Agent to Negotiate, in Kale's

Julia agrees to act as Kale's agent to negotiate, in Kale's presence, a sale of Kale's ranch. A contract for a sale of land must be in writing. The agreement between Julia and Kale

A) can be implied.
B) must be in writing.
C) may be oral or in writing.
D) should be ratified, affirmed, or authorized orally.