<span>Choice (a) is the correct answer. The merchants were only allowed to trade with the island of Macao. The other islands were closed off to the merchants because of their relationships with the mainland of China and its people.</span>
Answer:
The incident broke me.
Explanation:
I have been broken by the incident.
<em>Have been is past tense</em>
<em>Broken is past tense</em>
<em>The use of the word "by" is past tense</em>
<em>"the incident" should be the subject, not the action</em>
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I hope this helps you in any shape or form.