Lionel Messi，________the record for the most goals in a calendar year，is considered the most talented football player in Europe.                                  (2013·江苏，24)

A．set

B．setting

C．to set

D．having set

对于预应力钢绞线，同一构件内断丝根数每断面不超过钢丝总数的1%。( )