Correct Answer : waitForElementPresent
Explanation :
Pause : Pause is used to the stop or pause the execution process for specified time period.
AssertElemetPresent : AssertElemetPresent is used to identify whether the element is available on the page or not.
WaitForElementPresent : WaitForElementPresent is used to pause the execution process until expected element will not add on the page.
Therefore, WaitForElementPresent is the correct answer.
