In the first sentence “Filling “is a GERUND. The gerund has the function of a noun and in this particular example it is part of the subject of the sentence. In the last sentence “to run” and “to walk” is an INFINITIVE. Finally, in the third one, “riding” is a PARTICIPLE. A participle has the function of an adjective and in this particular example it is part of a participle clause.
Answer:
A. it has a chronological structure because it connects major events in the production of sugar in the british empire
Explanation:
Because they might not explain it clearly or right ,they might go mad if you don't put the answer they told you,and they think their always right.
It is the letter D. Dear Sir.