单选题 Living with a roommate ______ constraint on her, she couldn't play her trumpet or have parties late at night.
A. imposing B. illustrating C. impressing D. leaving

【正确答案】 A
【答案解析】[解析] impose on“把……强加于”;illustrate“说明,表明”;impress on“给……印象”;leave“离开”。根据句意可知,答案是A。