_______ is believed, all the scientists subscribe to the view ______ the increase in the earth’s temperature is due to the burning of fossil fuels to produce energy.
| A．It; \ | B．As ; that | C．It; if | D．As; whether |
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_______ is believed, all the scientists subscribe to the view ______ the increase in the earth’s temperature is due to the burning of fossil fuels to produce energy.
| A．It; \ | B．As ; that | C．It; if | D．As; whether |
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