(Corrects to say “one”, not “once” in last paragraph) By Priyamvada C (Reuters) -Marriott International Inc said on Thursday China’s strict COVID-19 policies were delaying openings of some properties in the country, a key market for hotel operators, where pandemic recovery has been uneven compared to United States. “The market in China is most certainly where we’re seeing the most challenges,” Chief Executive Anthony Capuano said during an analyst call. Shares of the Sheraton-owner fell as much as 6% in morning trade. Revenue per available room (RevPAR) from Greater China was $64.06 in 2021 co…