问题
单项选择题
The Deep Sea Drilling Project was significant because it was ______.
A．an attempt to find new sources of oil and gas
B．the first extensive exploration of the ocean bottom
C．composed of geologists from all over the world
D．funded entirely by the gas and oil industry
答案
参考答案：B
解析：[分析] 细节题型。 参看第二段第一句...the first detailed global investigation of the ocean bottom。