Main ideas are often found at the beginning of paragraphs. The first sentence often explains the subject being discussed in the passage. Main ideas are also found in the concluding sentences of a paragraph.
<span>the answer is A. Do not separate a one-letter syllable from the rest of the word" would be the best option from the list, but more specifically the first syllable "a" here does not modify the rest of the word in any way.</span>