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Craft and StructureMediumFunction of a sentence giving a reason

Craft and Structure practice question

The bridge's stone parapets are only knee-high. The builders were not careless: the bridge was made for packhorses, whose loads hung wide on either side, and a higher wall would have caught them.

Which choice best describes the function of the second sentence?

  1. A. It explains why the low parapets described in the first sentence were a deliberate choice.Correct
  2. B. It argues that the parapets should be raised.
  3. C. It describes the packhorse trade.
  4. D. It criticises the builders.

Answer: A. It explains why the low parapets described in the first sentence were a deliberate choice.

'The builders were not careless': the low walls served the packhorses.

Why the other answers are wrong

B. It argues that the parapets should be raised.
No such argument.
C. It describes the packhorse trade.
The trade is mentioned only to explain the wall.
D. It criticises the builders.
The sentence defends the builders.

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