30 second solution approach through elimination method.
A) that they can appealto when their cases are -->Herewhen marks the starting of subordinate clause. which means earlier sentence ( They can appeal TO ) ended with a preposition. A clause cannot end in preposition. Eliminate
B) to which to appeal after their cases have been--> No grammatical error straight away, only sounds bad. Hold on
C) for appealing iftheir case has been--> Multiple plaintiff fighting a single case. Even
...
A) that they can appealto when their cases are -->Herewhen marks the starting of subordinate clause. which means earlier sentence ( They can appeal TO ) ended with a preposition. A clause cannot end in preposition. Eliminate
B) to which to appeal after their cases have been--> No grammatical error straight away, only sounds bad. Hold on
C) for appealing iftheir case has been--> Multiple plaintiff fighting a single case. Even
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