题目4单选题
2-甲基丁烷与溴在光照条件下反应的主产物是( )A. <img src="https://tihai-oss-cloud.itihey.com/img/844b2ade4deb5a6e5144088a377da3d2.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/1782622f5d041155b90322ea6c794339.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/12f8fce6a96bb81a34bae5dbb24a2b7b.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/37111e780fa31fd9de9ec815a37b7e60.png">