Several countries have joined forces to patrol Somali waters in response to the growing number of pirate attacks on commercial ships. But the pirates have only become more brazen, targeting larger vessels. Pirates even hijacked a Saudi oil tanker that was carrying over $100 million _____ oil. (A) with (B) for (C) to (D) in 請問選項答案為何是D呢？ 是指價值1億的石油嗎？ 為什麼要用in呢？