If ${z_1}$ and ${z_2}$ are two complex numbers,then $|{z_1} - {z_2}|$ is
- A$|{z_1}| - |{z_2}| \le |{z_1} - {z_2}|$
- B$|{z_1}| - |{z_2}| \ge |{z_1} - {z_2}|$
- C$|{z_1}| + |{z_2}| \le |{z_1} - {z_2}|$
- D$|{z_2}| - |{z_1}| \ge |{z_1} - {z_2}|$
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