根据相关国际标准,大中城市居住人均用地不得少于( )。
A <img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251117/11319499_0.jpg"> B
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251117/11319499_0_1.jpg"> C
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251117/11319499_0_2.jpg"> D
<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20251117/11319499_0_3.jpg">