Which of the following complex numbers has/have a prime number as the degree of its minimal polynomial over $\mathbb{Q}$? (A) $\zeta_{7}$, a primitive 7th root of unity; (B) $\sqrt{2}+\sqrt{3}$; (C) $\sqrt{-1}$; (D) $\sqrt[3]{2}$.
Which of the following complex numbers has/have a prime number as the degree of its minimal polynomial over $\mathbb{Q}$?\\
(A) $\zeta_{7}$, a primitive 7th root of unity;\\
(B) $\sqrt{2}+\sqrt{3}$;\\
(C) $\sqrt{-1}$;\\
(D) $\sqrt[3]{2}$.