A developer needs to create an automation process that identifies a file with format “Monthly_Report_MMddyyyy.xlsx”. The file name is saved to a variable called strinput.

To extract the date from strinput, which string manipulation method should be used?

A. strinput.Substring(strInput.LastIndexOf(“_”)+1,8)

B. strinput.Substring(strInput.IndexOf(“_”)+1,strInput.IndexOf(“.”)−1)

C. strinput.Substring(strInput.IndexOf(“_”)+1.8)

D. strinput.Substring(strInput.IndexOf(“_”)+1,strInput.IndexOf(“.”))