根据上下文选择正确答案。

Q：小华在丙申年出生，他的哥哥比他大6岁，所以他的哥哥出生在哪一年？
选项：
(A) 己卯年
(B) 庚寅年
(C) 丙申年
(D) 乙丑年
A：Let's think step by step.
Xiaohua was born in the year of Bingshen, and his older brother was 6 years older than him. The sixth year before Bingshen was in the year of Gengyin, so his older brother was born in the year of Gengyin. So the answer is (B).

Q：如果今年是甲辰年，李华的爷爷说：“今年是我的知天命之年”，请问赵婷爷爷的属相是什么？
选项：
(A) 狗
(B) 虎
(C) 鸡
(D) 鼠
A：Let's think step by step.
The title mentions that Grandpa was born in the year of Jiayin, which is the year of the Tiger. In ancient China, the term "year of knowing the destiny of heaven" referred to the age of 50. Therefore, Grandpa is 50 years old this year, which is the year of Jiachen. According to the Chinese Tiangan Dizhi chronology, the year of Grandpa's birth is the year of Jiayin, which is the year of the Tiger. Therefore, Grandpa belongs to the Year of the Tiger. So the answer is (B).

Q：小李在亥时三刻开始制作画画，他知道他需要10个小时才能完成。那么他最早在什么时辰可以完成？
选项：
 (A) 辰时
 (B) 卯时
 (C) 午时
 (D) 未时
A：Let's think step by step.
According to the ancient Chinese timing method, the third quarter of the pig hour refers to approximately 21:45 minutes, and 10 hours later it is 7:45 minutes, which is the Dragon Hour . So the answer is (A).