Which of the Following Statements About an E1 Mechanism Is

Multiple Choice

Which of the following statements about an E1 mechanism is not true?

A) It is a two-step process and has the same first step as an S_N1 mechanism.
B) It involves the formation of a carbocation from eliminating a good leaving group.
C) A common competing reaction is rearrangement of a less stable carbocation to a more stable carbocation.
D) The loss of a proton by the carbocation is a slow step.