How do i use the unallocated memory from drive d to merge with drive c?

My objective was to allocate some unallocated memory from drive d to c using mini toll partition wizard. However, when i resized drive d, the unallocated portion cannot be merged with drive c. Help.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).