请选择CBA+P*n)w+V;d2g4Z5t3g - _____ bikes are there under the tree? -There are four.4n+z5V8{8\,|
A. How many4n+z5V8{8\,|
B. How much4n+z5V8{8\,|
C. What4n+z5V8{8\,|