32. what is the most effective way to combine sentences 4 and 5? she was poised to place a can of tomato…

32. what is the most effective way to combine sentences 4 and 5? she was poised to place a can of tomato sauce on its designated shelf, which caused her to shriek and toss the can over her shoulder when a raucous voice from behind startled her. she was poised to place a can of tomato sauce on its designated shelf, and she was startled by a raucous voice from behind that shrieked and tossed the can over her shoulder. she was poised to place a can of tomato sauce on its designated shelf when a raucous voice from behind is what startled her and tossing the can over her shoulder, it caused her to shriek. she was poised to place a can of tomato sauce on its designated shelf when a raucous voice from behind startled her, causing her to shriek and toss the can over her shoulder.
Answer
Brief Explanations:
The last option has the most natural - flowing and grammatically correct structure. It clearly shows the sequence of events where being startled by the voice led to shrieking and tossing the can. The other options have awkward phrasings or incorrect grammar.
Answer:
She was poised to place a can of tomato sauce on its designated shelf when a raucous voice from behind startled her, causing her to shriek and toss the can over her shoulder.