Exam MCQ

Which completes the removal correctly (remove all "x")? ``java ArrayList<String> list = ...; // [x, b, x, x] for (int i = list.size() - 1; i >= 0; i--) { if (list.get(i).equals("x")) { list.remove(i); } } `` A. Correct as written B. Fails: needs i++ inside C. Fails: forward loop required D. Fails: remove(i--) required Print the letter, then your one-sentence justification.