请选择CBA2R1r1?1X/U1V4y/T+o/S The elephant is drinking water _____ its trunk.9p9^*v3V(A*t2Q9Q,r/@
A. use9p9^*v3V(A*t2Q9Q,r/@
B. with9p9^*v3V(A*t2Q9Q,r/@
C. at9p9^*v3V(A*t2Q9Q,r/@