Two people A and B carry some load from the road to the roof of the bus. A takes 1 min and B takes 2 minutes to do the same job. Who has done more work A or B?

Question

$\begin{array}{1 1} (a)\;A \\ (b) B \\ (c)\; \text{both do the same amount of work} \\ (d)\; \text{no work is done by both} \end{array}$