单选题 The Tacoma's executive director and three port commissioners will be in China next week to ______advice from world port experts on improving inland transportation systems.
A. discriminate B. disperse C. differentiate D. glean

【正确答案】 D

【答案解析】[解析] discriminate“歧视，区别”；disperse“(使)分散，疏散”；differentiate“区别，区分”；glean“收集”。