問題詳情

B. For each sentence, please choose the underlined part that contains ungrammatical use of English.
26. On Monday, a team led by the World Health Organization began inoculating people in the Democratic Republic of Congo  against the Ebola virus with an experimental vaccine in attempt to quell an outbreak of the disease that began in early May.
(A)
(B)
(C)
(D)
(E)

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