Which sentence has a verb error?

A) If you want to see a good movie, then don't go see Flicker.
B) If I were the President of the US, I'd make education my first priority.
C) If I was going on a trip, I'd probably visit Europe instead of South America.
D) I wasn't sure whether or not the old man was bad at chess or just fooling me.

answer: a

explanation: a because she needs to study for her test and get grades for it

even though there may be variations in human emotions over time, the poem “ a contribution to statistics” by wislawa symborska suggests that the only unchangeable characteristic is mortality.

the author poses a distinction between the approximate and non-approximate numbers which correspond to our need for certainty in life and the difficulty of achieving it. our efforts to measure the exact often fail because the world is not always clearly structured .the poem seems to imply   that the only thing that is certain and has an exact number is death.