2.7 In the line int main() the parentheses indicate that mainisa program bulding block aled a) module b) statement c) directive d) function 2.10 The following line is most properly an example of a puts( "Welcome to cl a) function b) block c) statement d) header 2.3 Another Simple C Program: Adding Two integers 2.14 Which of the following is not a valid integer value? (a) 3 b) o (c) 2134859 2.16 Which statement prints "hi" on the screen? (a) puts ("hi"); (b) put "hi (c) puts "hi"; (d) none of the above