Answer:
B. act or move at high speed.
Explanation:
The term hasten is derived from the word <em>haste, </em>which means to make something happen quickly. The word hasten is a verb, extended from the word haste and added with the pattern of verb '-en.'
Therefore, hasten means to <em>act or move at high speed </em>or to be quick on doing something, or move fast.
Thus option B is correct.
The second one. Cody and Aleena are the antecedents and <em>their</em> is the pronoun referring back to them.
