{$mEDiAurl}
whiCh oF thE Following DoEs not support thE iDEA thAt phoBos is just An AstEroiDA．it is muCh smAllEr thAn othEr moons.
B．it is mADE oF AstEroiD-likE mAtEriAl.
C．it hAs An irrEgulAr shApE.
D．it is FillED with FrozEn wAtEr.