A．more audience can afford the time to watch the performance.
B．it doesn't cost much to design costumes for the performers.
C．the settings can be seen more clearly under artificial lighting.
D．distractions may be cut out by the surrounding darkness.

A．unwanted curtains
B．bath sheets
C．table cloth
D．cloaks

单选题 根据下面的内容，回答题.

Which might be the most appropriate title of the passage?

A．At the Threshold of Neutrino Astronomy.
B．Neutrinos and the History of the Universe.
C．The Creation and the Study of Neutrinos.
D．The DUMAND System and How It Works.