Which line is an irregular line of blank verse? “He only says, ‘Good fences make good neighbours.’” “If I could put a notion in his head:” “And on a day we meet to walk the line” “And set the wall between us once again.”

The line which is an irregular line of blank verse is:

According to the given question, we can see that we need to properly select the line from the available options which is an irregular line of blank verse and how it is so.

As a result of this, we can recall that a blank verse is one which verses in a poem are written in iambic pentameter and are usually without a rhyme.

With this in mind, we can see that option A makes use of an irregular line of the blank verse because it contains irregular syllables.

Therefore, the correct answer is option A

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“He only says, ‘Good fences make good neighbours.’”

Explanation:

Blank verse is a style of poetry in un-rhyming verses written in iambic pentameter. That is, it has ten syllables in each line, with a stressed syllable following an unstressed syllable but the five stressed syllables are not rhymed.

Among the given lines from the poem "Mending Wall" by Robert Frost, the line that contains an irregular line of blank verse is "He only says. 'Good fences make good neighbors.'" This line contains not 10 syllables but 11, unlike the other lines which are all in pentameter form. The other lines in the options all have ten syllables each. Thus, this irregularity makes it the odd one out.

Therefore, the correct answer is the first option.