The space shuttle Discovery completed its mission for about ______ days before it returned to Kennedy Space Center.

A．it was almost postponed
B．there scattered showers there
C．people could see it high in the sky
D．people could neither see nor hear it

A．to appoint another team of fact-finders
B．to run over the group's composition
C．to find the facts about the Jenin refugees
D．to give a green light to the mission