【单选题】

The development of these gene technologies may be far in the future, but the moral and social issues raised by them should be discussed, for once a technology has been, it may be difficult to stop or control.

A、democratically… freed
B、presently … invented
C、summarily… contested
D、seriously… veiled
E、hesitantly… ignored

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根据网考网移动考试中心的统计，该试题：

10%的考友选择了A选项

78%的考友选择了B选项

10%的考友选择了C选项

2%的考友选择了D选项

The development of these gene technologies may be far in the future, but the moral and social issues raised by them should be discussed______, for once a technology has been______, it may be difficult to stop or control.