While he was investigating ways to improve the telescope, Newton made ______ discover which completely

changed ______ man's understanding of colour. [ ]

A. a…不填

B. a…the

C. 不填…the

D. the…a

对外界经常不满意，追求自身的完美，常有宗教倾向的心理类型是（）。

A.外向思维型

B.内向思维型

C.外向感觉型

D.内向感觉型