Which word or phases are context clue that you figure out the meaning of the word casually

D Is the right answer

Explanation:

He acted cool and casual are the same thing "He acted cool" can describe what they are like & "natural behavior"  could give you a reason where people are nervous to talk to girls

#1  sara was always tasked with selecting birthday presents for her friends and family because everyone admired her  impeccable taste. 

impeccable (adj): perfect, flawless

#2  they moved to the united states many years ago, but their  insular  attitudes made it difficult for them to socialize. 

insular (adj): isolated; separate

#3  the professor explained the  semantic  relationship between the two nouns used in the sentence. 

semantic (adj): related to words or the meanings of words 

happy to : )

it states the claim