单选题 Lucid dreaming, the ability dreamers to become aware of and to control their dreams while dreaming, is the focus of some current psychological research.

【正确答案】 A

【答案解析】答案：A 分析：应改为dreamers’ ability。改正：ability dreamers → dreamers’ ability 翻译参考：清晰的梦境，做梦者在做梦时能意识到梦并且控制它们的能力，现在是一些心理学研究的焦点。