Explanation:

Uttar Pradesh (Option D) signed a Memorandum of Understanding (MoU) with various industry associations and business chambers to promote the Micro, Small, and Medium Enterprises (MSME) sector and create employment opportunities, especially for migrant workers who returned to the state during the COVID-19 pandemic. While other states like Jharkhand (A), Bihar (B), and Madhya Pradesh (C) also have initiatives for MSME and migrant workers, Uttar Pradesh's specific MoU for this purpose was widely reported.