He was _______ a line of slow－moving traffic.

(A)lost in
(B) interested in
(C) indulged in
(D) stuck in


【参考答案】

D
解答参考：D.此题考察词组用法。A为沉浸于，B为感兴趣，C为放纵沉迷于，D为卡住【译文】他被卡在一串缓行的车辆中。