Find out whether there is any grammatical error in below sentence.
No sooner did I open the door / when the rain, heavy and stormy, rushed in / making us shiver from head to foot.
A. No sooner did I open the door
B. when the rain, heavy and stormy, rushed in
C. making us shiver from head to foot
D. No error
Answer: Option B

no sooner is followed by than not when
no sooner is always followed by then