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#11
If the Disk Mgmt screenshot is to be believed, all the partitions are empty except C:
So you can delete any or all of them besides C: and repartition as you wish, and/or extend C:
To get the Linux corruption off, I would boot free Partition Wizard CD to rightclick>Wipe Partition to deep clean each of them.
PW works better with Win7 than Gparted.