Correct option is B
Assumption I is implicit because the increase in demand for smartphones and laptops is likely due to the need for devices to attend online classes, suggesting that people may be buying these devices for their children’s classes.
Assumption II is not implicit, as the statement does not suggest that desktop computers cannot be used for online classes. The focus is only on the increased demand for smartphones and laptops, without any implication that desktops are unsuitable for online classes.
Assumption II is not implicit, as the statement does not suggest that desktop computers cannot be used for online classes. The focus is only on the increased demand for smartphones and laptops, without any implication that desktops are unsuitable for online classes.