whAt DoEs thE Author sAy ABout thE wEAthEr
A．it is rArE For wAshington, D.C. to hAvE suCh long rAiny DAys.
B．it hAs BEEn mining sinCE sEpt 26^th For thE most oF thE timE.
C．it is FAvorABlE to thE mAnuFACturErs to promotE solAr EquipmEnt.
D．it hAs hElpED sEE thE DisADvAntAgEs oF solAr EnErgy.