What is the theme of this narrative? does the style support the theme, why or why not? ?

Which of these can an adverbial clause modify?

Experiments were conducted to try to teach chimpanzees sign language

Read this line from the poem. without the hell, the heav'n of joy. how do the images of hell and heaven in this line affect the meaning of the poem? a. they are reminders that love is a strong emotion. b. they show how the speaker of the poem has suffered emotionally. c. they refer to the emotional depths and heights of romantic relationships. d. they imply that the speaker is deeply religious