Which of the following conditions are recommended for using sulphate resisting cement?1. Concrete to be used in foundation and basement, where soil is not infested with sulphates2. Concrete used for fabrication of pipes which are likely to be buried in marshy region or sulphate bearing soils3. Concrete to be used in the construction of sewage treatment works

• A. 2 and 3 only
• B. 1 and 2 only
• C. 1 and 3 only
• D. 1, 2 and 3