The following phosphorus sulfides are known: P4S3, P4S7, P4S10. Do these compounds obey the law of multiple proportions? Explain your reasoning.
A) Yes, because they have different ratios of phosphorus to sulfur.
B) No, because they have the same ratios of phosphorus to sulfur.
C) Yes, because they have the same ratios of phosphorus to sulfur.
D) No, because they have different ratios of phosphorus to sulfur.