When conducting a survey on best restaurants in San Francisco, which of the following sample groups is representative of the entire San Francisco resident population?%0D%0A%0D%0AA) 400 randomly selected residents of San Francisco%0D%0AB) 20 San Francisco restaurant owners%0D%0AC) 30 residents of San Francisco who visit restaurants daily%0D%0AD) 150 California residents who volunteered for the survey