What Can Be Said,correctly,about a Monosaccharide,the Name of Which Is

What can be said,correctly,about a monosaccharide,the name of which is preceded only by (+) ?

A) The compound is the α-anomer.
B) The compound exists in the pyranose form.
C) The compound is dextrorotatory.
D) The compound has the same stereochemistry at the penultimate carbon as D-(+) -glucose.
E) The compound exists only in open-chain form.