[Civil Engineering Version] Daily Question 20180226

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In a construction project for a cast-in-place reinforced concrete frame structure, when the first floor of the main structure was completed, the actual construction progress was 4 days behind the planned schedule. Through analysis, it was determined that the main reason was inadequate consideration in the preparation of the construction schedule. With the approval of the supervision engineer and the owner’s representative, the construction team decided to delay the schedule target for the main construction phase of the project by 2 days; at the same time, it adjusted the schedule plan and formulated relevant technical and management measures to accelerate the project progress. When the construction of the fifth layer was completed, the actual progress was exactly in line with the original schedule. 　　For the construction phase of this project, on-site supervision is required for the entire ( ) process. 　　 A. Construction surveying B. Formwork installation C. Rebar binding and installation D. Concrete pouring 【Correct answer】D