英语短文修改 短文里有错误 并说一下修改方法

题目

英语短文修改 短文里有错误 并说一下修改方法
A.When Indian answers questions he usually shakes their head toboth sides,it stands for "OK","No problem" or "Yes".For this reason,receptionists should understand the special habits see Indianmerchants turn their head aside or shake their head.Therefore,the receptionside should notice this difference between Chinese and Indian to prevent anyunnecessary troubles.
B.The Indian believes that the Hindu must abide strictly by thecaste system; therefore,it is an impolite action to ask the local people abouttheir caste or class of Indian merchants.
C.Indians are used to eating with their right hand and themlike placing their left hand behind their back.In addition,the Indiansapprove or agree with each other regarding the action is neither nodded norshook his head,but around Akira head.
D.In Indian,a lot of people don't eat beef,cattle in Nepal isregarded as the national animal.India is beef's kingdom and beef is thesacrosanct animal,so that people should avoid talking something about beefsand respect their belief.

答案

A. an Indian. their head 改成 his head it 改为which