Which of the Following Correctly Lists the Conformations of Cyclohexane

Multiple Choice

Which of the following correctly lists the conformations of cyclohexane in order of increasing energy?

A) chair < boat < twist < half-chair
B) half-chair < boat < twist < chair
C) chair < twist < half-chair < boat
D) chair < twist < boat < half-chair
E) half-chair < twist < boat < chair