To our relief, at last the opening ceremony of the sports meeting we had been looking forward to __________ on time.
| A．had started |
| B．starting |
| C．started |
| D．being started |
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To our relief, at last the opening ceremony of the sports meeting we had been looking forward to __________ on time.
| A．had started |
| B．starting |
| C．started |
| D．being started |
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