Which sentence contains an error and pronoun use?

A. Marcus and his brothers always help his dad with maintaining the lawn every weekend.

B. They all take, turns raking up leaves, bagging, trash and mowing the grass.

C. Afterward, their dad takes them all out for ice cream.

D. After a hard day’s work, ice cream is a much loved reward

B. They all take, turns raking up leaves, bagging, trash and mowing the grass.