Subject and Theme are two words that are often confused when it comes to their usage and connotationssince most consider them to have no difference between them. Actually speaking, there is a slight difference between subject and theme that needs to be understood. The word subject is used in the sense of ‘niche’ or ‘branch of knowledge’. On the other hand, the word ‘theme’ is used in the sense of ‘the central point’ of a subject or a topic. This is the main difference between the two words, namely subject and theme. This usage as well as other usages of the words subject and theme will be discussed in this article with examples.
Answer:
The questions that should be asked when evaluating a source are "How appropriate is the information?, "Is the source sufficient?" and "Is the source reliable and accurate?".
Explanation: When working on an academic piece of writing, authors generally make use of different sources to support their ideas or arguments. However, in order to choose the correct sources, an author should ask himself/herself three questions: "How appropriate is the information?" since the content provided by the source must be related to the ideas that the author is presenting, "Is the source sufficient?" because the information included in the source must be complete, and "Is the source reliable and accurate?" in order to make sure that the information offered has been written by specialists and scholars
Hm, I don't think that there is one certain answer, but here is some information to go on:
1) Native speakers often use dangling modifiers themselves - why should the learners not do it?
2) this would depend on their original language. If it has a similar structure, then yes, they would likely used them.
In total I would prefer a)