Select the option that expresses the given sentence in active voice.

Has the assignment been uploaded by you?

Have you uploaded the assignment?

The correct option that expresses the given sentence in active voice is Have you uploaded the assignment?

The other options are incorrect because:

• Has the assignment been uploaded by you? is in the passive voice.
• Have you been uploaded the assignment? is grammatically incorrect. The verb "uploaded" is in the active voice, which means that the subject is doing the action.
• Did you upload the assignment? is in the past tense, while the original sentence is in the present tense.
• Were you uploading the assignment? is in the past progressive tense, while the original sentence does not imply that the action is ongoing.