Option A is best to keep the meaning original sentence

If we choose another option It can change the meaning of the whole sentence

ND-21-5-2023

1. The envoy, as well as his technical advisors, have been detained at the border control checkpoint.
2. The envoy, as well as his technical advisors, was detained at the border control checkpoint.
3. The envoy, as well as his technical advisors, are detained at the border control checkpoint.
4. None of these

1. Hardly had the economic summit convened than news of the border skirmish broke out.
2. Hardly had the economic summit convened when news of the border skirmish broke out.
3. Hardly did the economic summit convene than news of the border skirmish broke out.
4. None of these

1. Having examined the classified documents, it was decided by the magistrate to deliver the verdict without delay.
2. Examining the classified documents, the verdict was delivered without delay by the magistrate.
3. Having examined the classified documents, the magistrate delivered the verdict without delay.
4. None of these

1. Not only had the CEO suppressed the internal audit report, but he attempted to intimidate the whistleblower also.
2. Not only did the CEO suppress the internal audit report, but he also attempted to intimidate the whistleblower.
3. Not only the CEO suppressed the internal audit report, but he also attempted to intimidate the whistleblower.
4. None of these

1. William Wordsworth
2. William Blake
3. John Keats
4. None of these