24.
Your Answer is
Correct Answer is F
Explanation
Item F: with guides the adverbial, modifies the previous sentence, correct.
Item G: The underlined part and the following part are modifications to The Big Dipper. The fixed collocation of Whether is whether...or...so G is wrong.
J Item: A comma connects two complete sentences, wrong.
Item H: being is "as", and the semantics do not match.