14:I[5014,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"default"] 15:I[38392,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"PracticeCard"] 17:I[70570,["/_next/static/chunks/11d1gk4m2o846.js","/_next/static/chunks/14mrh2-p_w84d.js","/_next/static/chunks/40y9lkvta2o_p.js"],"ExamAppearanceBadge"] 16:T50d,

• Correct answer: timidity.

• Audacity (noun)
- English meaning: bold or arrogant disregard of normal restraints.
- Bangla meaning: দুঃসাহসী; অসমসাহসীকতা।

• Timidity (adjective)
- English meaning: lack of willingness to assert oneself and take risks.
- Bangla meaning: ভীরু; লাজুক।

Other options:
ক) Consistent
English Meaning: Always behaving or happening in a similar way, or having the same opinions, standards, etc. over time.
Bangla Meaning: সঙ্গতিপূর্ণ; নিয়মিত ও রীতিমাফিক; পূর্বাপর একই রকম।

খ) Difficult
English Meaning: Requiring much effort or skill to accomplish, understand, or deal with; not easy.
Bangla Meaning: কঠিন; দুঃসাধ্য; শ্রমসাধ্য।

গ) Enthusiastic (adjective)
English Meaning: Having or showing intense and eager enjoyment, interest, or approval.
Bangla Meaning: অত্যুৎসাহী।

Source:
1. Merriam-Webster dictionary.
2. Accessible Dictionary.
3. Cambridge Dictionary.