Which of the following sentences is incorrect?
(A) The economy has been bogged down for a few years, the government trying in vain to fix the problem.
(B) Death penalty, dating back to thousands of years ago, has been abolished in many countries.
(C) It is hard for children of this age to discriminate between good and evil.
(D) The professor regretted in anticipation not having had made plans to deal with unforeseeable situations.