The answer is A. pageantry
Proteins consist of one or more polypeptide chains. Each polypeptide chain consists of smaller sub-units or amino acids that are linked together. Amino acids serve as the building blocks of polypeptides, and polypeptides serve as the building blocks of proteins
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I would think the answer is “C”, I don’t see a problem-solution or a cause & effect in the passage, and there is no chronological order of anything. So my answer would be “Fact by Fact”
The answer is B
Orwell’s purpose is to persuade readers to use simple language and political writing. He achieve this by discouraging the use of worn out words and phrases.