The correct answer is: E. have been making/demonstrates
Cindy’s family has been making chains in this area for over three centuries. This means that the action of making chains is an ongoing one, and it is something that Cindy’s family has been doing for a long time. The present perfect continuous tense is used to describe actions that have been happening for a period of time and are still happening. In this case, the action of making chains is still happening, as Cindy’s father is demonstrating this traditional craft at the county museum twice a day.
The other options are incorrect because they do not accurately describe the action of making chains. Option A, “are making/is demonstrating,” is in the present progressive tense. This tense is used to describe actions that are happening at the moment. However, the action of making chains is not happening at the moment; it is an ongoing action that has been happening for a long time. Option B, “have made/has demonstrated,” is in the present perfect tense. This tense is used to describe actions that have been completed in the past. However, the action of making chains is not a completed action; it is an ongoing action that is still happening. Option C, “made/was demonstrating,” is in the simple past tense. This tense is used to describe actions that happened at a specific time in the past. However, the action of making chains is
viewBox="0 0 576 512"> Subscribe on YouTube