Regarding the trademark to be used in the international market for the product made by the joint venture, we consider that either the same trademark as that the foreigners have been using or a new one may be used, depending upon which is better for marketing.

A) 每年夏天，当大批游人涌入这座城市的时候，大饭店总要聘用许多兼职招待。
B) 每年夏天，当千百万游人涌入这座城市的时候，大饭店总有一些时候聘用招待。
C) 每年夏天，总有大批游人涌入这座城市的时候，大饭店就会聘用专职招待。
D) 当千百万游人冲入这座城市的时候，每年夏天大饭店就会接纳专职招待。