该题意思是清洁与运输很难受到新技术引入的影响。录音说的是有些领域比 别的领域更容易受到自动化快速发展的影响，而在另一些领域，比如清洁和运输领 域，创新的空间很小。由于创新和新技术直接关联，所以正确答案为A。

[重点难点]
理解innovation和 new technologies之间的联系。

[录音原文]
Some sectors — such as food manufacturing and food service — are far more susceptible to rapid automation than others. In other areas, such as cleaning or transport, there is far less scope for innovation. Employers are, therefore, more likely to lobby government to allow immigration where there are sectoral shortages.