What is the first character that Bob should use to attempt breaking valid SQL request?

Bob has been hired to do a web application security test. Bob notices that the site is dynamic and
must make use of a back end database. Bob wants to see if SQL Injection would be possible.
What is the first character that Bob should use to attempt breaking valid SQL request?

A.
Semi Column

B.
Double Quote

C.
Single Quote

D.
Exclamation Mark