A commonly used floor system in poured-in-place concrete, the ____ combines a thinner slab with concurrently poured joists or ribs to create a floor system very similar to a precast concrete double-tee system.
A. one-way ribbed system
B. one-way solid slab-and-beam system
C. two-way solid slab-and-beam floor system
D. two-way flat-plate floor system
Answer: A
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