1 . Experts give us some indication ______ the health and condition of the miners in this area.

A．cooperating

B．cultivating

C．creating

D．concerning

2 . Members from RNG-a Chinese professional e-sports organization- revealed that ________________ (只有掌握先机、紧密合作, only) could they take the rivals by surprise in games. (根据汉语提示完成句子）