Which group of words in this sentence is a dependant clause that contains a phrase?

Bearden was supporting young minority artists when he helped establish the Clinque
Gallery in 1969.
A. Bearden was supporting young minority artists
b. when he helped establish the Clinque
Gallery in 1969.
C. was supporting young minority artists when he helped
D establish the Clinque
Gallery in 1969.

When he helped establish the Cinque Gallery in 1969.

subject: why anyone can be a genius.

occasion: moving forward in life.

audience: average person

purpose: to push you further in life

speaker: many famous geniuses.

here is the poem:

here is thy, and here is thee, genius is for what he can be.

poem is a matter of rhyme, but like ben frank said, life is a matter of time.

we have great inventors such as thomas edison, who said, "genius is one percent inspiration and 99% perspiration." no, no perspiration as what comes from your skeleton.

we have great minds, from places of all kinds, such as yu kaw la chi tie, (now im switching languages because yu kaw was japanese.)

てちハラスイヒイス, てちラスイヒイス

てちのちみスイヒイス.

you are a genius, well not yet, but you are capable, and that is a bet.

an expression designed to call something to mind without mentioning it explicitly; an indirect or passing reference.