The correct option should appear in each position (e.g. A, B, C, D or E) approximately the same number of times in a test.
The correct option should appear in each position (e.g. A, - 2.2-2.4作业 - 英语语言测试 - 浙江省高等学校在线开放课程共享平台 | 大学网课搜题引擎