Select the correct statement from the following Select one: O A. Admixtures increase the cost of the concrete mixes significantly. O B. Additives are functional additions blended in limited amounts...

Extracted text: Select the correct statement from the following Select one: O A. Admixtures increase the cost of the concrete mixes significantly. O B. Additives are functional additions blended in limited amounts into a hydraulic cement during manufacture C. Admixtures are usually added before mixing OD. Additives can be used to overcome certain emergencies during concreting operations.