The sentence which contains inappropriate shift in tense is C, because in the first part of the sentence there is a past tense 'ran', which means that the verb in the second part of the sentence also has to be in the past: hears should shift into 'heard'.
The main idea of this phrase talks about the ending of slavery. It says that slavery is not allowed in any form, and is illegal. No one, no matter their gender, race, ethnicity, etc., is allowed to be a slave.
I hope this helps you! :)
The 1st question answer is D. Jack doesnt like being made fun of his name. He changed his name to Harry till he found a certain someone who made it worse so it doesn't matter what name you have.
The 2nd question answer is C. Jack think using Harry, his middle name, as his name wilk solve the problem. He didnt expect that girl came up to him and say that her dog name also.