Returning to England from Germany in 1799, William Wordsworth and his sister settled at Dove Cottage in Grasmere, Westmoreland. The poet ______ as well as ______ lived nearby, and the three men became known as the "Lake Poets."

A. Samuel Taylor Coleridge; George Gordon Byron
B. Robert Southey; Samuel Taylor Coleridge
C. John Keats; Robert Southey
D. George Gordon Byron; Percy Bysshe Shelley

能效标准的内容总体上包括：（）

A．能效（能耗）限定值

B．节能评价值

C．能源效率等级

D．超前能效指标