Use the Following Figure to Answer the Question

Multiple Choice

Use the following figure to answer the question.

Refer to the accompanying figure and the molecules labeled A, B, C, D, and E. If the carbon atom of each of the incoming CO₂ molecules is labeled with a radioactive isotope of carbon, which organic molecules will be radioactively labeled after one cycle?

A) C only
B) B, C, D, and E
C) C, D, and E only
D) B and C only