[Passage: "In 1920, after some thirty-nine years of problems with disease, high costs, and politics, the Panama Canal was officially opened…"] It can be inferred from the passage that

উত্তর জানতে একটি অপশন বেছে নাও 👇

• কthe canal is a costly project which should be reevaluated
• খdespite all the problems involved, the project is beneficial
• গmany captains prefer to sail around Cape Horn because it is less expensive
• ঘproblems have made it necessary for three governments to control the canal over the years