[問題]OG(11th) Q1

[minimumi]

1. Some economists view the Kennedy- Johnson tax out of 1964, which radically reduced corporate and individual taxes, as the impetus for the substantial prosperity enjoyed by the United States in the late 1960's and early 1970's.

Which of the following, if true, would most weaken the clainthat the tax cut of 1964 was the impetus for economic prosperity?

(B) Improved economic conditions in Western Europe and Japan resulted in substantially increased demand for United States manufactured goods in the late 1960's.

(C) The tax cut of 1964 contained regulations concerning tax shelters that prompted investors to transfer their savings to more economically productive incestments.

Answer:(B)

不知道為甚麼答案是(B),我選(C)
希望有人能幫忙解答,謝謝！