问题

What a beautiful city our hometown is!There are many trees ______ of the road!— Yes, and ____________ of the trees isgrowing larger and larger.
A:on both side; a number
B:on each sides; a number
C:on both sides; the number
D:on every side; the number
B:on each sides; a number
C:on both sides; the number
D:on every side; the number
正确答案是: