The answer is B. Ralph and Jack hated each other
Ms. Garcia was leading a tour of the gallery when the fire alarm sounded.
This is correct because it is the only sentence where the verbs match tenses.
Answer:
This text is about homeschooling. The author's purpose is to answer some of the most important questions about homeschooling and explain its main advantages and disadvantages.
In order to achieve his/her objective, the author uses a well-structured organizational pattern which consists of an introductory part, where he/she introduces the topic and reveals his/her main objective: to highlight the pros and cons of homeschooling. In the central part, he mentions some advantages of homeschooling, while in the next passage tries to explain the biggest disadvantages of homeschooling. In the last passage, he mentions other important questions he will try to answer and uses those questions to invite the lecturers to read his book.
Text features and the organizational pattern are efficiently combined in order to help the readers regarding homeschooling, and make them understand both its advantages and disadvantages in a logical, well-structured and professional way. On the other hand, he offers some very important answers that could be considered necessary for all those readers who are searching for answers when it comes to homeschooling.
