The answer is A. am attending.
B. doesn’t make sense. I attend Texas State University now.
C. is wrong because was is past tense, attending is present tense. I was attending Texas State University now.
D. is wrong because attended is past tense, and the sentence has the word “now,” which is present tense. U attended Texas State University now.
Therefore, A. is the correct answer.
I am attending Texas State University now.
Attending is present tense and now is present tense.
