It is recently reported that quite a number of applications ________ from Apple’s official APP. Store are not safe to use.
| A．downloading | B．downloaded |
| C．having downloaded | D．to be downloaded |
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It is recently reported that quite a number of applications ________ from Apple’s official APP. Store are not safe to use.
| A．downloading | B．downloaded |
| C．having downloaded | D．to be downloaded |
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