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】68. The author of the report is well ________ with the problems in the hospital because he has been working there for many years.
(A)) informed
(B)) acquainted
(C)) enlightened
(D)) acknowledged