Entering the bookstore, I noticed a girl against the window, with her eyes on her book i

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(答案→)A. leaning; fixed
B. leaned; fixing
C. leaned; fixed
D. leaning; fixing
解析：句意：进入书店，我注意到一个女孩斜靠在窗户旁，她的眼睛注视着手里的书。第一个空，notice sb. do/doing，故排除B和C；第二个空是独立主格结构，fix与其逻辑主语her eyes是被动关系，故用过去分词，选A。