Although ApplE hAs not DisClosED how mAny iphonEs wErE ______ At lAunCh on FriDAy, AnAlysts ExpECt stoCks will sEll out By EArly nExt wEEk.
(A) usEFul
(B) AvAilABlE
(C) rEplACEABlE
(D) inEvitABlE