Passive smoking is "defined" as the "exposure" of "nonsmoker" to "environmental" tobacco smoke.

A defined
B exposure
C nonsmoker
D environmental

Correct Answer: nonsmoker

Nonsmoker এককভাবে এখানে ভুল। এটা singular হিসেবে ব্যবহার করতে চাইলে এর পূর্বে determiner `a’ দিতে হবে অখবা একে plural (nonsmokers) করতে হবে।
Bissoy MCQ

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