单选题 One room schools, with all subjects being taught to all grades at the same time, simply ______ when better transportation permits specialized spaces and specialized teaching.
A. resolved B. absolved C. dissolved D. solved

【正确答案】 C
【答案解析】[解析] 句子大意为：一间教室的学校，同时教所有年级所有的科目，当较好的交通设施允许专业空间和专业教学时，这种学校就被解散了。A项resolved“决心，决定，决心要”；B项absolved“宣布免除”；C项dissolved“解散，使终结”；D项solved“解决，解答”。所以C项符合题意。