The answer is B. Tan is presenting the example <em>"limited English"</em>, which is just <em>one of many</em> other terms she heard before, to express how bad they seem. Because, when people deem those whose knowledge of the Mother Tongue <em>is not as the native speaker</em>, therefore is limited, they are defining everything as limited, even their speaking perceptions.
<u>Part A</u>: The author supports the idea that the expedition to explore the American West was extremely challenging <em>D. by describing the difficulties they encountered with people on their journey.</em>
<u>Part B</u>: The paragraph in the article that best supports the answer to Part A is <em>C. paragraph 5.</em>
President Thomas Jefferson commissioned the Lewis and Clark Expedition and it commenced in May 1804. It concluded the historical Louisiana Purchase. The Louisiana Purchase was a Territorial Treaty with France through which the Jefferson government purchased the Louisiana Territory at $15 million.
Thus, the expedition, jointly led by <em>Captain Meriwether Lewis and Lieutenant William Clark</em>, was not easy. The men encountered great difficulties.
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