Which of the Following Teachers Uses Backward Design

Which of the following teachers uses backward design?

A) Mr.Browning begins to develop his math unit by looking at the state standards and aligning key elements of the lesson with the standards.He thinks about the important end results students need to achieve in the unit.
B) Ms.Rollins wants to use cooperative groups in her upcoming unit.She chooses activities her students will enjoy and works the curriculum around them.
C) Mr.Cardot is a new teacher.He asks a senior teacher to lend him her teaching plan for the upcoming unit on persuasive writing.He alters the plan to fit his teaching style.
D) Mrs.Hebert is beginning a new unit in French.She presents several ideas to students and allows them to vote on their favorite approach to the unit about the geography of France.She chooses activities that fit the students' preference.