U.S. President announced permission for oil drilling off the shorelines, ________ the country's effort to reduce energy import from foreign countries.
| A．marked | B．marking | C．having marked | D．being marked |
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U.S. President announced permission for oil drilling off the shorelines, ________ the country's effort to reduce energy import from foreign countries.
| A．marked | B．marking | C．having marked | D．being marked |
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