Wlmrt, which is one of the lrgestmericn supermrket chins, _______ some of its store open 2

4Wlmrt, which is one of the lrgestmericn supermrket chins, _______ some of its store open 24 hours on Mondys through Sturdys.keep B．keeps C．hve kept D．hd keptA．keepB．keepsC．have keptD．had kept