乳腺癌淋巴道转移首先转移到（）。

A.同侧腋窝淋巴结

B.锁骨上淋巴结

C.锁骨下淋巴结

D.肺门淋巴结

E.胸骨内淋巴结

Mobile computers-which (71) laptops, notebooks, subnotebooks and handhelds- (72) so ubiquitous in such a short time, no surprise to hear who say: "It will define the leading edge (73) the next five years or so." The most remarkable (74) mobile computers is the amount of data storage and memory packed (75) their tiny boxes. These devices not only handle windows easily but also run storage-hungry programs.

A．included

B．include

C．have included

D．have become

E．had become