点心 (Diǎnxīn) Dim Sum
虾饺 (Xiā jiǎo) Shrimp Dumpling
烤鸭 (Kǎoyā) Roast Duck
小笼包 (Xiǎo lóng bāo) Small Steamed Bun
Because “虾饺 (xiā jiǎo)” and “小笼包 (xiǎo lóng bāo)” are both dumplings and considered Dim Sum. “烤鸭 (kǎoyā) roast duck” is regarded as a main meal, and “北京烤鸭 (běijīng kǎoyā) Beijing roast duck“ is especially well-known. Therefore the correct answer is B.