以下关于激光器的说法正确的是？ Which of the following statements about lasers are correct?

Doctors are interested in using lasers as a surgical tool in operations on people who are ______ to heart attack. A: infectious B: accessible C: C. disposed D: D. prone

Doctors are interested in using lasers as a surgical tool in operations on people who are______to heart attack. A: prone B: disposed C: infectious D: D. accessible

Doctors are interested in using lasers as a surgical tool in operations on people who are ______ to heart attack. A: prone B: B. disposed C: C. infectious D: D. accessible