Restore on larger hard disk changed disk size

I have a Lenovo which runs fine, but the 500 gb hd was partitioned into a C: and D: drives, with the c: drive being only 29 gb. Well the c: drive is full, even though i have it compressed and redirecting the user files. I purchased a Seagate 1TB drive and used Acronis True Image Home 2009 to clone the original drive to the new drive. The cloning creates a c: drive at around 60gb (which is fine) but doesn't appear to create the d: drive. I can't access the d: drive on the new drive which should be around 900gb. Any suggestions?