Consider the Diels–Alder reaction of cyclopentadiene with p‑benzoquinone. Diels-Alder reaction between cyclopentadiene and p-benzoquinone Select the correct statement about the stoichiometry of this reaction.

A. Multiple molar equivalents of cyclopentadiene and p‑benzoquinone react to form a long polymer chain.

B. One molar equivalent of p‑benzoquinone can react with only one molar equivalent of cyclopentadiene.

C. Two molar equivalents of p‑benzoquinone can react with one molar equivalent of cyclopentadiene.

D. Two molar equivalents of cyclopentadiene can react with one molar equivalent of p‑benzoquinone.