PREP07好莱坞明星题 17求讨论！

六月的水蜜桃

17

At present the Hollywood Restauranthas only standard-height tables. However, many customers come to watch the celebrities who frequent theHollywood, and they would prefer tall tables with stools because such seatingwould afford a better view of the celebrities. Moreover, diners seated on stools typically do not stay as long asdiners seated at standard-height tables. Therefore, if the Hollywood replaced some of its seating with hightables and stools, its profits would increase.

The argument is vulnerable tocriticism on the grounds that it gives reason to believe that it is likely that

(A) some celebrities come to theHollywood to be seen, and so might choose to sit at the tall tables if theywere available

(B) the price of meals ordered bycelebrities dining at the Hollywood compensates for the longer time, if any,they spend lingering over their meals

(C) a customer of the Hollywood whowould choose to sit at a tall table would be an exception to the generalizationabout lingering

(D) a restaurant's customers whospend less time at their meals typically order less expensive meals than thosewho remain at their meals longer

(E) with enough tall tables toaccommodate all the Hollywood's customers interested in such seating, therewould be no view except of other tall tables

答案选C。我想知道的是它的这个问题The argument is vulnerable to criticism on the grounds that it gives reason to believe that it is likely that 究竟是神马意思啊。。。死活没看懂，所以连选项的方向都无法判断。。。求翻译求解答！！

brfmzbjz

就是问削弱
什么样的情况下 (on what grounds) , 这个论述容易被批评(vulnerable to criticism)