求大神解释一下这道神一般的逻辑题！跪谢！

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长丝弓

楼主

发表于 2021-8-13 10:11:34 | 显示全部楼层

韦氏大词典中
Definition of block in
: to put something in front of (someone or something) so that person or thing cannot move freely
举例：Security guards blocked me in. and I could not get close to the celebrity.

个人理解是“阻断，不让前行”的意思

此题应该是阻断咖啡因，咖啡因不能进入到豆中，和/或，叶子中

供参考