ANSWER ASAP IM GIVING BRAINLIEST Which of the following sentences has a subordinating conjunction that introduces a dependent clause?

A.
Before advanced computers existed, Arthur dreamed of making space travel a reality.

B.
In his free time, Arthur worked in the areas of study he loved.

C.
Arthur studied and used his scientific knowledge throughout his entire life.

D.
Arthur built on technology systems that already existed to create his new system.

lihuliivi hili nilu lutaula previous 21 next end of semester test: english 12b submit test reader tools info- select the correct answer from each drop-down menu. read this excerpt and complete the sentences that follow a shropshire lad by ae housman (excerpt) when i was one-and-twenty i heard a wise man say "give crowns and pounds and guineas but not your heart away give pearls away and rubies but keep your fancy free." but i was one-and-twenty no use to talk to me when i was one-and-twenty i heard him say again, "the heart out of the bosom was never given in vain 'tis paid with sighs a plenty and sold for endless rue" and i am two-and-twenty. and oh, 'tis true, 'tis true the central theme of the poem is in the end, the poet the wise man's views. reset next