Guys plz me : (

ben is a telemarketing executive at a reputed firm. the organization he works for wants to increase its customer base for their new product. ben uses mined data to regularly call prospective clients. which application of data mining is ben using?

a.
customer classification
b.
customer retention
c.
fraud detection
d.
direct marketing

Pseudocode pld #6, pg. 117 start// declarations// number numbertoguess// number myguess; numbertoguess = 92// while myguess ! = numbertoguess// output " guess an integer number between 1 and 100"// input myguess// if (myguess == numbertoguess)// output "you guessed the correct number"// else// output "the number you guessed was incorrect. try again! "// end if// end while// output " for playing the guessing game. have a great day! "// stop