Gaokao Math Practice Question
3. 若 $z=1+\mathrm{i}$. 则 $|\mathrm{i} z+3 \bar{z}|=()$
- A.$4 \sqrt{5}$
- B.$4 \sqrt{2}$
- C.$2 \sqrt{5}$
- D.$2 \sqrt{2}$
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