Part III Vocabulary and Structure (20 minutes)
Directions: There are 30 incomplete sentences in this part. For each sentence there are four choices marked A, B, C and D. Choose the ONE that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the center. 【題組】54. The twentieth century has witnessed an enormous worldwide political, economic and cultural ________.
(A)) tradition
(B)) transportation
(C)) transmission
(D)) transformation