whEn wErE thE shuttlE AnD tElEsCopE movED into A highEr orBit
A．BEForE thE tElEsCopE wAs rEpAirED.
B．AFtEr thE roCkEt wAs ExploDED.
C．whEn thE roCkEt wAs within lEss thAn A kilomEtEr From thE spACECrAFt.
D．whEn thE ExpErts CoulD look DEEpEr into spACE thAn EvEr BEForE.