'Folk all fade. And whither.
As i wait alone where the fair was?
Into the clammy and numbing night fog
Whence they entered hither
Soon one more goes thither!
In these lines, 'the clammy and numbing night fog' (line3) refers to

• A.a night in the poet's life
• B.unpleasant weather conditions
• C.life's problem and misfortunes
• D.the state before birth and after death
• E.darkness after sunset