单选题 The teacher, with 6 girls and 8 boys of her class,______ visiting a museum when the earthquake struck.
【正确答案】 A
【答案解析】[解题指要] 该题测试主谓一致的用法。题干中具有迷惑作用的介词短语with 6 girls and 8 boys of her class并不具有决定动词形式的功能。句子主语为The teacher，故答案为选项A。