问答题

Which of the following is definitely true according to the text?
A．Biologically engineered foods are safe for human consumption.
B．Genetically combining different plant species results in new developments, both good and bad.
C．Genetically engineering foods are capable of unleashing destructive diseases on the environment.
D．Science can execute the task of bio-engineering foods, but not fully evaluate its results at the present time.

A.Biologically
B.
B．Genetically
C.
C．Genetically
D.
D．Science
E.

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