Part III Vocabulary (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 answer that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the centre. 【題組】66. So far, ________ winds and currents have kept the thick patch of oil southeast of the Atlantic coast.
(A)) governing
(B)) blowing
(C)) prevailing
(D)) ruling