Read the following group of sentencesthe sentence which is not related to itsu
.Read the following group of sentences and identify the sentence which is not related to its topic.1) A word processor makes this kind of investigation relatively painful!2) Microsoft Word (a very common word processor across most platforms) allows a user to select a text by dragging over the text,point at the selected text and using click-hold-drag,move the entire selected text to a new location.3) This facility is much more direct than the alternative cut and paste - the changes made can be seen to happen.4) Any mistakes can be instantly reversed using Edit Undo.
A：1)
B：2)
C：3)
D：4)