Family members cannot typically treat a loved one's eating disorder because
a. they don't have enough time or money
b. they don't have enough patience or knowledge
c. they don't have enough patience or courage
d. they don't have enough knowledge or resources

The correct answer is letter D. they don't have enough knowledge or resources. Family members cannot typically treat a loved one's eating disorder because of lack of knowledge of what are the right things against eating disorder. The lack of resources also affects of making a move to cure eating disorder.

Family members cannot typicall treated a lover one's eating disorders because they don't have enough knowledge or resources - d. 

Treating eating disorders properly really requires that people use proper techniques which are necessary in order for the treatment to be really successful.