thosE tAking pArt in thE ultrA mArAthon in ArizonA nExt month ______ to CArry A First-AiD kit, whiCh shoulD inCluDE A rEmEDy For snAkEBitEs.
(A) ADvisE
(B) ADvisED
(C) BE ADvisED
(D) ArE ADvisED