单项选择题
A.Shift键 B.Option(MaOS)/Alt(Windows)键 C.Tab+Shift键 D.空格键+Command(MaOs)/空格键+Ctrl(Windows)
A.左边对齐 B.居中对齐 C.强制对齐 D.顶部对齐
A.Shift键 B.Command(MA.\Ctrl(Win)键 C.空格键 D.Tab键