"a clearer sight now" vs "a clearer view now"

from the 100 TOEFL grammar tests (incomplete sentences)
english-test.net/esl/learn/e … stion_four

Q4 That’s better I’ve got a clearer …
(a) sight now (b) view now (c) picture now (d) vision now

My Answer is (a) sight now
but the correct answer is (b) view now
What the different?

TOEFL listening discussions: A conversation between a university student and a professor in the professor’s office

Hello Schwartz,
Please read this thread
Difference between vision and view
Many thanks