In which revision is clause 1 dependent on clause 2? clause 1: padmi looks frantically for her pen clause 2: her sister calmly writes with it padmi looks frantically for her pen, and her sister calmly writes with it. while padmi looks frantically for her pen, her sister calmly writes with it. padmi looks frantically for her pen as her sister calmly writes with it. padmi looks frantically for her pen; her sister calmly writes with it.

The correct answer is - B. While Padmi looks frantically for her pen, her sister calmly writes with it.
Clause 1, Padmi looks frantically for her pen, is dependent here because it is a subordinate clause which cannot exist on its own in this context. Clause 2 is independent here, meaning that it doesn't depend on Clause 1.
A and D are incorrect because both Clauses are independent here, C is incorrect because Clause 1 is independent, and Clause 2 is dependent, which is not what you need here.

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