If \( z_{1}, z_{2} \) are two complex numbers such that \( \operatorname{Im}\left(z_{1}+z_{2}\ri...
If \( z_{1}, z_{2} \) are two complex numbers such that \( \operatorname{Im}\left(z_{1}+z_{2}\right)=0 \), \( \operatorname{Im}\left(z_{1} z_{2}\right)=0 \), then
(A) \( z_{1}=-z_{2} \)
(B) \( z_{1}=z_{2} \)
(C) \( z_{1}=\bar{z}_{2} \)
(D) \( z_{1}=-\bar{z}_{2} \)
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