Answering (αποκριθεις). First aorist passive participle without the passive meaning. Jesus answered the thoughts of those mentioned in verse Luke 14,1Lukas 7,30

Or not (η ου). The dilemma forestalled any question by them.

They held their peace (ησυχασαν). Ingressive aorist active of old verb ησυχαζω. They became silent, more so than before.