Which of the following is a true statement about SAS output?

 a. SAS Enterprise Guide 5.1 displays Text or LISTING output by default.
 b. SAS Enterprise Guide 5.1 displays HTML output by default.
 c. SAS 9.3 in the windowing environment displays LISTING output by default.
 d. SAS 9.3 in the windowing environment displays HTML output by default.