Answer:
A
Explanation:
It's the only question with a definite yes or no answer, which makes it a closed question.
Do you like paintings? Is a closed question, as it is directly asks the question without unnecessary words.
Words have the major key role in forming the sentence as it indicates the feelings or emotion that author wants to convey through its different words. Keeps the sentence simple is also essential without putting extra words.
Thus, option A is correct.
For more details about words plays an important role in sentence, click here:
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