Which observation tool allows Shauna's doctor to monitor her blood circulation in real-time?
O a microscope
O a telescope
O an X-ray
O an ultrasound

The right answer is ultrasound. Ultrasound is an imaging technique that uses ultrasound. It is used routinely in human and veterinary medicine, but can also be used in research and industry

Explanation:

hope this helps

the answer should be the first one. "many people find his lyrics very moving."

it by far makes the most grammatical sense and is very objective, removing any first person from the original sentence and keeping with the sentence fluency.