You are coaching your junior project managers and are trying to determine the duration of activities. You need to deliver the product on the deadline date but there are some uncertainties that can affect the estimated duration of activities. Which of the following will be the best tool to use?This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option. option A Bottom up estimating option B T$-$shirt sizing option C Parametric estimating option D Three$-$point estimating