Answer:
Option B, The work is not scientific because the simulations are not reproducible
Step-by-step explanation:
The scientists have collected the data in a scientific manner , in fact they have done the entire research work scientifically , the only issue with their practice is that they distributed the work of data processing to people who were sitting idle (with no background of research) and that too on their personal computer.
Thus, it becomes an exercise which can not be reproduced again.
Hence, option B is correct