Women _______ drink more than two cups of coffee a day have a greater chance of having heart disease than those ________ don’t.

A．who ;不填

B．不填 ; who

C．who ; who

D．不填; 不填

掘进过程中应严格执行一掘一锚网作业方式，够锚杆（索）间排距及时打设并上紧。打设锚杆时，单根锚杆的锚固力不得小于85KN。打设锚索时，锚索涨紧力不得小于（）。