If h of x is equal to 5 plus x and k times x is equal to 1 over x , which expression is equivalent to open paren k circ h close paren times x ?
A
5 plus open paren 5 plus x close parenB
5 plus open paren 1 over x close parenC
the fraction with numerator open paren 5 plus x close paren and denominator xD
the fraction with numerator 1 and denominator open paren 5 plus x close paren