Which of the Following Is True in Relation to the Nonstress

Which of the following is true in relation to the nonstress test (NST) for antepartum fetal assessment?

A) It has no known contraindications.
B) It has fewer false-positive results than the contraction stress test (CST) .
C) It is more sensitive than the CST in detecting fetal compromise.
D) It is slightly more expensive than the CST.