Which approach should you recommend?

You are designing a SharePoint 2010 intranet site. Employees are responsible for recording their daily activities,
which are stored in a third-party database. To accurately track Web traffic on the site, the IT administrator has
requested that only one form be available from only one URL. You need to design an input form that employees
can use from SharePoint.
Which approach should you recommend?

A.
Create an InfoPath Web-enabled form that submits data directly to the third-party database.
Publish the form to a SharePoint form library where users can access the form.

B.
Create a SilverlightWeb Part that submits data directly to the third-party database.
Add the Web Part to a single Web Part page that employees can access on the site.

C.
Create an application page that submits data directly to the third-party database.
Deploy the application page to the _layouts directory using a solution package.

D.
Connect to the third-party database using Business Connectivity Services.
Create an external content type, and then create an external list based on that content type.
Allow users to enter their activities by adding new items to the list.