rAnDy smith CAllED his BrokEr, pArEDurBin, AnD AskED hEr to Borrow 100 shArEs oF zylExCorp. stoCk. rAnDy thEn solD thE stoCk At thE CurrEnt mArkEt priCE oF $45 whilE AntiCipAting thAtDurBin woulD BE ABlE to Buy thE stoCk BACk For him At A lowEr priCE in thE FuturE. whAt typE oF orDEr DiD smith plACE
A、

A、short sAlE.

B．

B、mArkEt orDEr.

C．

C、mArgin orDEr.