Multi-select problem: How does the next paragraph end?

He is stretching and staring at it looking like he might climb it. He looks up and down before putting a foot on the base of the wall. he

Choose from: A. starts to work out and he bends down to grab his class belt.; B. then starts to climb higher and higher.; C. gets engaged in another workout.; D. glues himself as tightly as he can, then climbs the wall.;
B.