【正确答案】 B

【答案解析】[解析] 划线词merge意为：合并，使合并。A项motivate意为：刺激，激发；例：Teacher should motivate students to be creative.老师应该激发学生的创造力。B项combine意为：使结合，使联合；如：Two parties will combine to defeat the third party.两个党派将联合一起以击败第三党。C项compact意为：使简洁，压缩；例：The article is compact and carefully constructed.文章结构严谨。D项nominate意为：提名，指定；例：Trade Unions nominate representatives to public bodies.工会指定驻公共机关的代表。故本题选B。