Which of the following statements regarding the element of "proximate cause" is/are accurate:

Question 17 options:

a. courts often employ the "but-for" test to determine the existence of proximate cause

b. proximate cause can exist and will be determined even when "actual cause" does not exist and has not been found

c. there can be only one proximate cause in a circumstance where a person has been injured due to negligence

d. none of the above

e. a and b, but not c