单选题 Usually you will be (more likely) to find insects (if) you examine finer twigs (嫩枝) (rather than) the (coarse) parts of trees.
A. more likely B. if C. rather than D. coarse

【正确答案】 D
【答案解析】[解析] 应改为coarser。rather than是连词，连接的两个成分在形式上应保持一致，即都用比较级形式。