Answer:
A). More than one-third of Hispanics are below voting age.
Step-by-step explanation:
As per the given description, option A best explains and elucidates the trend as the Latinos is experiencing a comparatively lower level of political participation as 'more than one-third of Hispanics are under the voting age' and hence, unable to caste their vote. This inability of theirs(one-third of Hispanics) have led to 'lesser political participation. Thus, option A becomes the correct answer as the other options are either out of the context of the trend that is being described or provide irrelevant explanation.