单项选择题
Passage Two Questions 20 to 23 are based on the conversation you have just heard.
A．He provided individual support B．He held group discussions C．He gave the trainees lecture notes D．He offered online tutorials
A.assume B.confidential C.disagree D.formula E.forthcoming F.illustrating G.mysteriously H.observe I.optimistic J.package K.radically L.reality M.separately N.spoiling O.understimate
A．To make the building appear traditional. B．To cut the construction cose to the minimum. C．To match the style of construction on the site. D．To embody the subcommittee’s design concepts.