已知下列元素原子半径为：
| 原子 |
N |
S |
O |
Si |
| 半径r/10－10m |
0.75 |
1.02 |
0.74 |
1.17 |
根据以上数据，磷原子的半径可能是
A．0.80×10－10 m B．0.70×10－10 m C．1.10×10－10 m D．1.20×10－10 m
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