The patent officer ______ with my file explained to me that a plant variety is not a/an _______ invention as it is a result of adjusting growth scientifically.
A.dealing; abrupt
B.dealt; innocent
C.deals; practical
D.dealing; valid
网友回答
D解析考查分词用法和形容词辨析。Deal with与officer构成主动关系，所以使用现在分词短语Dealing with my file修饰名词the patent officer。valid有根据的;确凿的;令人信服的；根据句意可知D正确。