Which of the following would give a positive Tollen’s test?
(a) α-D-glucopyranose
(b) methyl β-D-glucopyranoside
(c) sucrose
(d) methyl α-D-ribofuranoside
(a) α-D-glucopyranose
(b) methyl β-D-glucopyranoside
(c) sucrose
(d) methyl α-D-ribofuranoside