Little to big

Put these in order, from the smallest capacity to the highest.

A) Dual-Layer DVD-ROM, CD-ROM, Single-Layer Blu-ray disc, 8 GB USB memory stick

B) 8 GB USB memory stick, Dual-Layer DVD-ROM, CD-ROM, Single-Layer Blu-ray disc

C) CD-ROM, Dual-Layer DVD-ROM, 8 GB USB memory stick, Single-Layer Blu-ray disc

D) CD-ROM, 8 GB USB memory stick, Dual-Layer DVD-ROM, Single-Layer Blu-ray disc

E) I keep losing my memory stick, so those must be pretty small.