That looks like it's a full installer.
The first thing I'd do is to make the C: partition as the "System, Active" partition so that is where the Windows 7 boot files will be stored; you can see that the D: partition is now that.
Have a look at this tutorial at the link below for a description of what needs done to accomplish this, this is a needed step to be able to remove the other partitions; that is what you want to do, correct
? Startup Repair - Run 3 Separate Times
After you have C: booting as "System, Active" post back and we'll discuss the next step.