A.fff\(\frac{\sqrt{x+2}}{4x+8}\)/fff
B.fff\(\frac{\sqrt{x+2}}{4}\)/fff
C.fff\(\frac{\sqrt{x+2}}{16x+32}\)/fff
D.fff\(\frac{4}{\sqrt{x+2}}\)/fff
E.fff\(4{\sqrt{x+2}}\)/fff
我的答案：
