Final answer:
Telecommuting can be especially beneficial to certain groups of individuals, but the specific percentage of the US workforce that are telecommuters is not mentioned in the given information.
Step-by-step explanation:
Telecommuting can be especially beneficial to the disabled, working parents, and employees taking care of elderly or disabled family members. According to the information provided, we do not have a specific percentage mentioned, but we can assume that it is a significant portion of the workforce. However, based on available data, the closest option to the given percentages would be Option C) 25-30%.