单项选择题

A.(x^5-cos(29*3.14/180))/(sqr(exp(x)+log(y)+5))
B.(x^5-cos(29))/(sqr(exp(x)+ln(y))+5)
C.(x^5-cos(29*3.14/180))/(sqr(exp(x)+ln(y))+5)
D.(x^5-cos(0.506))/(sqr(exp(x)+log(y))+5)