She's been seen with a mystery man lately.But Sophia Bush braved the grocery store on her own on Thursday.The actress, 37, was seen stocking up on food in West Hollywood, where she made a political statement with her face mask. 'This was preventable': Sophia Bush was seen Thursday stocking up on food in West Hollywood, where she made a political statement with her face maskThe mask read in all caps and bold white font, 'This was preventable.'Sophia carried two shopping bags as she made a brisk exit from the store, her hazel eyes containing an air of determination.