Perhaps the most anthologized poem in English literature is Wordsworth's ______.

A. "To a Skylark"


B. "I Wondered Lonely as a Cloud"
C. "An Evening Walk"


D. "My Heart Leaps up\

空气呼吸器佩戴连接供气阀时，先将供气阀的接口与面罩接口啮合，然后（），当听到咔哒声即安装完毕。

A、逆时针旋转90度

B、逆时针旋转180度

C、顺时针旋转90度

D、顺时针旋转180度