The Group By option may only be used for one field in a query

Comments by each reviewer are identified by the author's name and assigned:

A) reviewer number. B) code. C) order. D) color.

Which statement is false?

a) Function scanf reads characters into memory from the keyboard until the first input whitespace character is encountered. b) Function scanf can write beyond the boundary of the array into which input is being placed. c) Function printf does not care how large the array it is printing is. d) When using scanf, you must always precede with the & operator the name of each variable into which inputs are being placed.