Which of the following statements is true？A．Firestone didn" t speak out the proposal.B．Fir
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Which of the following statements is true？
A．Firestone didn" t speak out the proposal.
B．Firestone planned the proposal by himself.
C．Natalie had expected the proposal on their trip.
D．Firestone"s proposal was inexpensive.
请帮忙给出正确答案和分析，谢谢！