Which segment from Robert Hayden’s “Frederick Douglass” demonstrates parallelism?

AWhen it is finally ours, this freedom, this liberty, this beautiful and terrible thing, needful to man as air, usable as earth; when it belongs at last to all, when it is truly instinct, brain matter, diastole, systole
Bthis beautiful and terrible thing, needful to man as air, usable as earth
Cwhen it is more than the gaudy mumbo jumbo of politicians
Dnone of the above

Verified Answer :

A. When it is finally ours, this freedom, this liberty, this beautiful and terrible thing. Needful to man as air, usable as earth; when it belongs at last to all, when it is truly instinct, brain matter, diastole, systole.

Specifically, the first sentence in that segment is the best example of parallelism. It demonstrates the structure by listing things as "this XX".

Answer:

When it is finally ours, this freedom, this liberty, this beautiful and terrible thing, needful to man as air, usable as earth; when it belongs at last to all, when it is truly instinct, brain matter, diastole, systole

Explanation: