Select the most appropriate option to improve the underlined segment in the given sentence. If there is no need to improve it, select No improvement.
I will not be able to leave for home until my boss arrived in the office,

Options

A. until my boss arrives at the office
B. No improvement
C. until my boss has arrive to the office
D. until my boss is arrived in the office

Answer

A

Explanation

.until my boss arrives. should be used. This is a conditional sentence. If the verb in the *IF Clause. is in the present tense, then the verb in the main clause is in the simple future.