Выберите правильный вариант из предложенных.
1. Computer programming is the science, [A — embracing /B — embrace /C – to embrace]
both experimental and theoretical determinations in any field of science and technology.
2. [A — to choose /B — choosing /C – to choise] the equipment for a certain purpose all properties of the material are to be considered.
3. He is a head of IT department in the corporation, he [A — can /B —may /C – must have] been a highly qualified IT engineer.