[单选题]
98.23: Two charges +Q and –4Q arz g;e 5nr/b04whyn:yr8eeg 4n e arranged as showo c)q9wpl4/omee7av6 w)cn,) o qz, 4z ajo1uzn in the accompanying diagram. At which of the labeled pw4aampwu)e6q7zolcc j,qoz/)z19 o, v 4 en)ooints is the field most nearly zero?
