Question

Read the sentence from the passage.


In the 30 years he spent exploring Africa, Livingstone covered over a third of the continent and was known for his attempt to find the source of the Nile River.


Which revision gives the sentence proper parallel structure?


A. In the 30 years he spent exploring Africa, Livingstone covered over a third

of the continent and had attempted to find the source of the Nile River.


B. In the 30 years he spent exploring Africa, Livingstone covered over a third of the continent and attempted to find the source of the Nile River.


C. In the 30 years he spent exploring Africa, Livingstone covered over a third of the continent and attempting to find the source of the Nile River.


D. In the 30 years he spent exploring Africa, Livingstone covered over a third of the continent and his known attempt to find the source of the Nile River.

Answer 1

A good parallel structure is one in which the sentences are organized in the same grammatical structure. The revision that gives the sentence a proper parallel structure is;

• B. In the 30 years he spent exploring Africa, Livingstone covered over a third of the continent and attempted to find the source of the Nile River.

The information tells us the two things that Livingston had done during the 30 years he spent in Africa. The first was covering a third of the continent and attempting to source the Nile River.

A parallel structure organizes these events in sequence. Adding "had" to the sequence disorganizes the structure.

Therefore option B is right.

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