Pluck (verb, noun):
Meaning: Take hold of (something) and quickly remove it from its place, Spirited and determined courage.
Bengali meaning: উৎপাটন করা, চয়ন করা, সাহস; তেজ; বুকের পাটা।
Quit (verb, noun):
Meaning: Leave (a place, usually permanently); Stop or discontinue (an action or activity)
Bengali meaning: মুক্ত; নিষ্কৃতিপ্রাপ্ত, স্থান ত্যাগ করা; ছেড়ে যাওয়া ।
Pride (noun, verb):
Meaning: A feeling of deep pleasure or satisfaction derived from one's own achievements, Be especially proud of (a particular quality or skill)
Bengali meaning: গর্ব; দর্প; অহংকার ।
Grovel (verb):
Meaning: Lie or crawl abjectly on the ground with one's face downwards./Act in an obsequious way in order to obtain someone's forgiveness or favour.
Bengali meaning: নিজেকে ছোট করা; আত্মমর্যাদাহীন আচরণ করা।
Pluck is a noun that means "courageous intention/feeling to fight against odds", and it simply excludes the possibility to quit.
So, the bridge is: (X) is an intention/feeling toward something positive which lacks (Y). It seems that (C) is the answer.
Source: Oxford Dictionary & Bangla Academy Dictionary.