BASF was recently refused a patent because______.A．Walt Disney had applied for the patent

BASF was recently refused a patent because______.

A．Walt Disney had applied for the patent before

B．there was a similar idea prior to BASF"s application

C．BASF plagiarized the idea from a Disney cartoon

D．the patent was in cartoon and hence not practical

请帮忙给出正确答案和分析，谢谢！

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