Continued exposure to stress has been linked to worsened functioning of the immune system,leaving a person more liable to in fection.中前半句哪一个做谓语has been linked to ?还是worsened,如果是前者,后边不应该是worsened,请高手分
Continued exposure to stress has been linked to worsened functioning of the immune system,leaving a person more liable to infection. 持续的受到压力就会使免疫系统的功能下降,更容易使人感染。
has been linked to是谓语,意思是:“与。。。相联系”
worsened functioning of the immune system是介词to的宾语;