158. Although it claims to delve into political issues, television can be superficial such as when each of the three major networks broadcast exactly the same statement from a political candidate.
A.
B. superficial, as can sometimes occur if all of the three major networks
C. superficial if the three networks all
D. superficial whenever each of three major networks
E. superficial, as when the three major networks each
Why E not C?
154. In 1933 the rubber, clothing, and shipbuilding industries put into effect a six-hour workday, believing it a seeming permanent accommodation rather than a temporary expedient for what many observers thought was an economy made overproductive by advances in technology.
A.
B. believing it a seeming permanent accommodation instead of a temporary expedient for what many observers thought was
C. believing that it was not a temporary expedient but a seeming permanent accommodation to what many observers thought of as a
D. not as a temporary expedient but as a seemingly permanent accommodation to what many observers thought was
E. not as a temporary expedient but believing it a seemingly permanent accommodation for what many observers thought
答案是D, 问题是thought后的was 的主语是什么?