根据下列短文回答问题。
wEAthEr ForECAst: uk
hEADlinE :
mostly Dry AnD rAthEr ClouDy, But somE DrizzlE (毛毛雨) in plACEs.
toDAy :
most oF thE uk will BE Dry with light winDs, But rAthEr ClouDy. somE light DrizzlE is possiBlE From thiCkEr ClouD, EspECiAlly in pArts oF thE southwEst.A、FEw Bright or sunny spElls ArE Also likEly, pArtiCulArly sCotlAnD、
tonight:
A、Dry AnD rAthEr ClouDy night is For most. still somE light DrizzlE possiBlE in wEstErn ArEAs. winDs will piCk up in thE FAr northwEst, But rEmAining light ElsEwhErE.
FriDAy :
it is still gEnErAlly ClouDy For most oF thE uk, howEvEr morE in thE wAy oF sunshinE towArDs thE south AnD southEAst. somE light DrizzlE ovEr hills is in thE north AnD wEst.
upDAtED: 03: 18 on thursDAy oCt. 13th, 2011

whAt DoEs thE "spEll" mEAn in thE sEConD pArAgrAph
A、轮替B、一段持续时间
C、拼写