Correct Option: B

Noun
a difficult or unpleasant situation.
"resilience in the face of adversity"
synonyms : misfortune, ill luck, bad luck, trouble, difficulty, hardship, distress, disaster, misadventure, suffering, affliction, sorrow, misery, heartbreak, heartache, wretchedness, tribulation, woe, pain, trauma, torment, torture; mishap, stroke of ill luck, stroke of bad luck, accident, shock, upset, reverse, reversal, reversal of fortune, setback, crisis, catastrophe, tragedy, calamity, trial, cross, burden, blow, buffet, vicissitude, issue; hard times, dire straits, trials and tribulations; informal hell, hell on earth, hassle, stress; travails
"they remain steadfast in the face of adversity"