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

A man is seen sitting in front of a bucket holding clothes in his hands. Another person is seen sitting next to him sticking his hand in a bucket. the men


[a]. then begin cleaning the inside of the bucket.;
[b]. leave the bucket and finishes washing up.;
[c]. then begin mixing a beer and laughing afterwards.;
[d]. continue washing clothes next to one another while dipping them into a bucket.;
[d].