The pair(s) of ions where BOTHtheions are precipitated upon passing $$H_2S$$ gas in presence of dilute HCl, is(are)

A

$$Ba^{2+}, Zn^{2+}$$

B

$$Bi^{3+}, Fe^{3+}$$

C

$$Cu^{2+}, Pb^{2+}$$

D

$$Hg^{2+}, Bi^{3+}$$