According to the passage, which of the following would most probably worry the critics of

According to the passage, which of the following would most probably worry the critics of the following would most probably worry the critics of the new biology？

A．The microbes in the ocean warter.

B．The creation and application of biological solar cells.

C．The accidental oil spills.

D．The unexpected release of destructive micrbes.

请帮忙给出正确答案和分析，谢谢！