When making a landing over darkened or featureless terrain such as water or snow, a pilot should be aware of the possibility of illusion the approach may appear to be too（ ）

When making a landing over darkened or featureless terrain such as water or snow, a pilot should be aware of the possibility of illusion the approach may appear to be too

As an art student, Mary often goes to Beijing's 798 Art District because she likes the creative and ( ) arts there. A: plain B: relieved C: featureless D: entertaining