A:(kπ-14,kπ+34), k∈Z
B:(2kπ-14,2kπ+34),k∈Z
C:(k-14,k+34), k∈Z
D:(2k-14,2k+34),k∈Z
____(health)food is important.
过点(-3,2)且与x29+y24=1 有相同焦点的椭圆方程是____.