Which sentence contains an adverb of degree?

The correct answer is - খ) She was very happy.

• Adverb of degree:
- এই ধরনের adverb কতোখানি, কি মাত্রায় এসব বোঝায়।
- It tells us about the intensity of something.
- Example: Almost, quite, very, much, fully, partly, wholly, completely, strongly, totally, entirely, deeply, greatly, poorly, half, enough, somewhat, altogether, too, little, a little, rather.
- Example Sentence: The water is completely cold.

Other optipns
ক) He runs quickly.
- এখানে quickly হলো adverb of manner (কীভাবে দৌড়ায়, সেইভাবে বোঝাচ্ছে)।

গ) They went yesterday.
- এখানে yesterday হলো adverb of time (কবে গেল, সেই সময় বোঝাচ্ছে)।

ঘ) He always tells the truth.
- এখানে always হলো adverb of frequency (কতবার বা কত ঘনঘন কাজ করে, সেটি বোঝাচ্ছে)।

Source: Applied English Grammar and Composition by P. C. DAS.