问题详情

What is the chief advantage of the virtual reality techniques when used in microsurgery？
A．The medical students and surgeons can use it to practise simulated surgical operations as if operating on a real patient.
B．Medical students and surgeons can do any operations without considering their consequences.
C．It helps to do operations on human eyes extremely accurately.
D．It allows surgeons and their students to set their imagination free.请帮忙给出正确答案和分析，谢谢！