46 Which of the following is the main idea of this passage?

(A) A group of activists are now close to their goal of dismantling the educational reform in Denver.

(B) Denver's educational reform agenda has been badly interrupted by the Covid-19 pandemic.

(C) Denver's educational reform has improved significantly, including students who had performed poorly.

(D) Denver's teacher union-based board has made concerted efforts to implement a successful educational reform.

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統計： A(1), B(1), C(0), D(1), E(0) #3961151