Limit Dextrins Are Degraded by the Action of ____ Which

Limit dextrins are degraded by the action of ____ which has two distinct enzymatic activities known as ____ and ____.

A) α-amylase; β-amylase; α(1→6) glucosidase
B) debranching enzyme; oligo(α1,4→ α1,4) glucanotransferase; α(1→6) glucosidase.
C) debranching enzyme; oligo(α1,4→ α1,4) glucanotransferase; α(1→6) glucosidase
D) α-amylase; oligo(α1,4→ α1,6) glucanotransferase; α(1→6) glucosidase
E) α-amylase; β-amylase; oligo(α1,4→ α1,4) glucanotransferase