C++

Question 14 0/1 pts What code for XXX,YYY,ZZZ returns true if the string s has no periods? Choices are listed as XXX / YYY / ZZZ. = true / noPeriods = false / (nothing) = false / noPeriods = true / (nothing) (nothing) / noPeriods = false / noPeriods = true (nothing) / noPeriods = true / noPeriods = false