— . They will live in Shanghai.
A:No, they aren't
B:Yes, they are
C:No, they won't
D:Yes, they will
读图回答下列问题.
(Ⅰ)求l的普通方程和C的直角坐标方程;
(Ⅱ)当φ∈(0,π)时,l与C相交于P,Q两点,求|PQ|的最小值.