Despite careful planning, the business deal began to _______________ due to unforeseen complications in the negotiation process.

Explanation

The most appropriate phrase for the blank in this statement is: “fall through”. This phrase is used when a plan, agreement, or deal fails to materialize or is abandoned. It fits well with the context of the business deal facing complications. So, the completed statement would be: "Despite careful planning, the business deal began to fall through due to unforeseen complications in the negotiation process." Explanation of incorrect options: Get over (option a): This phrase means to recover from something, typically an emotional difficulty. It doesn't convey the idea of a business deal encountering complications. Hang over (option c): This phrase means to remain unresolved or looming, usually in a negative sense. It doesn't capture the idea of the deal collapsing. Pass away (option d): This phrase is commonly used for the death of a person, and it doesn't apply to the context of a business deal. Wipe off (option e): This phrase means to remove or eliminate something. It doesn't convey the idea of a business deal encountering unforeseen complications.