As a result of advances in biomedical engineering, many athletes that might at one time have lost their ability to participate in their sports due to catastrophic injury now can pursue their sports again, even if not as professionals.

A) that might at one time have lost their ability to participate in their sports due to catastrophic injury
B) that due to catastrophic injury might once have lost their ability to participate in their sports
C) who might once have lost their ability to participate in their sports due to catastrophic injury
D) who due to catastrophic injury might have at one time lost their ability to participate in their sports
E) who, due to catastrophic injury, might at one time have lost their ability to participate in their sports