8. Soon after the outbreak of the COVID-19 pandemic, infected patients were needed
to be quarantined _____ they would not spread the virus which they carried.
(A) unless
(B) in case
(C) so that
(D) in order to
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統計: A(6), B(6), C(56), D(9), E(0) #3069674
統計: A(6), B(6), C(56), D(9), E(0) #3069674