Multi-choice problem: Continue writing the next sentence in this paragraph:

A man pours concrete onto a plate. he

Pick from:
[a]. is then shown adding the chunks of cement to the plate to form a mini-pyramid that he vaults over onto the floor..
[b]. measures the cement to make sure it is evenly evenly separated..
[c]. is wearing a blue uniform..
[d]. puts the cement onto a carpet..
[c].